[PATCH] PCI: kzalloc() conversion in drivers/pci
Eric Sesterhenn [Tue, 28 Feb 2006 14:34:49 +0000 (15:34 +0100)]
this patch converts drivers/pci to kzalloc usage.
Compile tested with allyes config.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

14 files changed:
drivers/pci/hotplug/acpiphp_glue.c
drivers/pci/hotplug/cpci_hotplug_core.c
drivers/pci/hotplug/cpqphp_core.c
drivers/pci/hotplug/fakephp.c
drivers/pci/hotplug/ibmphp_core.c
drivers/pci/hotplug/ibmphp_ebda.c
drivers/pci/hotplug/ibmphp_pci.c
drivers/pci/hotplug/ibmphp_res.c
drivers/pci/hotplug/pciehp_core.c
drivers/pci/hotplug/rpaphp_slot.c
drivers/pci/pci-driver.c
drivers/pci/pci-sysfs.c
drivers/pci/pcie/portdrv_core.c
drivers/pci/probe.c

index cbd5893..c7e6387 100644 (file)
@@ -143,10 +143,9 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
        device = (adr >> 16) & 0xffff;
        function = adr & 0xffff;
 
-       newfunc = kmalloc(sizeof(struct acpiphp_func), GFP_KERNEL);
+       newfunc = kzalloc(sizeof(struct acpiphp_func), GFP_KERNEL);
        if (!newfunc)
                return AE_NO_MEMORY;
-       memset(newfunc, 0, sizeof(struct acpiphp_func));
 
        INIT_LIST_HEAD(&newfunc->sibling);
        newfunc->handle = handle;
@@ -189,13 +188,12 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
                }
 
        if (!slot) {
-               slot = kmalloc(sizeof(struct acpiphp_slot), GFP_KERNEL);
+               slot = kzalloc(sizeof(struct acpiphp_slot), GFP_KERNEL);
                if (!slot) {
                        kfree(newfunc);
                        return AE_NO_MEMORY;
                }
 
-               memset(slot, 0, sizeof(struct acpiphp_slot));
                slot->bridge = bridge;
                slot->device = device;
                slot->sun = sun;
@@ -376,12 +374,10 @@ static void add_host_bridge(acpi_handle *handle, struct pci_bus *pci_bus)
 {
        struct acpiphp_bridge *bridge;
 
-       bridge = kmalloc(sizeof(struct acpiphp_bridge), GFP_KERNEL);
+       bridge = kzalloc(sizeof(struct acpiphp_bridge), GFP_KERNEL);
        if (bridge == NULL)
                return;
 
-       memset(bridge, 0, sizeof(struct acpiphp_bridge));
-
        bridge->type = BRIDGE_TYPE_HOST;
        bridge->handle = handle;
 
@@ -398,14 +394,12 @@ static void add_p2p_bridge(acpi_handle *handle, struct pci_dev *pci_dev)
 {
        struct acpiphp_bridge *bridge;
 
-       bridge = kmalloc(sizeof(struct acpiphp_bridge), GFP_KERNEL);
+       bridge = kzalloc(sizeof(struct acpiphp_bridge), GFP_KERNEL);
        if (bridge == NULL) {
                err("out of memory\n");
                return;
        }
 
-       memset(bridge, 0, sizeof(struct acpiphp_bridge));
-
        bridge->type = BRIDGE_TYPE_P2P;
        bridge->handle = handle;
 
index 30af105..037ce4c 100644 (file)
@@ -248,22 +248,19 @@ cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last)
         * with the pci_hotplug subsystem.
         */
        for (i = first; i <= last; ++i) {
-               slot = kmalloc(sizeof (struct slot), GFP_KERNEL);
+               slot = kzalloc(sizeof (struct slot), GFP_KERNEL);
                if (!slot)
                        goto error;
-               memset(slot, 0, sizeof (struct slot));
 
                hotplug_slot =
-                   kmalloc(sizeof (struct hotplug_slot), GFP_KERNEL);
+                       kzalloc(sizeof (struct hotplug_slot), GFP_KERNEL);
                if (!hotplug_slot)
                        goto error_slot;
-               memset(hotplug_slot, 0, sizeof (struct hotplug_slot));
                slot->hotplug_slot = hotplug_slot;
 
-               info = kmalloc(sizeof (struct hotplug_slot_info), GFP_KERNEL);
+               info = kzalloc(sizeof (struct hotplug_slot_info), GFP_KERNEL);
                if (!info)
                        goto error_hpslot;
-               memset(info, 0, sizeof (struct hotplug_slot_info));
                hotplug_slot->info = info;
 
                name = kmalloc(SLOT_NAME_SIZE, GFP_KERNEL);
index 8626901..9bc1deb 100644 (file)
@@ -347,26 +347,22 @@ static int ctrl_slot_setup(struct controller *ctrl,
        slot_number = ctrl->first_slot;
 
        while (number_of_slots) {
-               slot = kmalloc(sizeof(*slot), GFP_KERNEL);
+               slot = kzalloc(sizeof(*slot), GFP_KERNEL);
                if (!slot)
                        goto error;
 
-               memset(slot, 0, sizeof(struct slot));
-               slot->hotplug_slot = kmalloc(sizeof(*(slot->hotplug_slot)),
+               slot->hotplug_slot = kzalloc(sizeof(*(slot->hotplug_slot)),
                                                GFP_KERNEL);
                if (!slot->hotplug_slot)
                        goto error_slot;
                hotplug_slot = slot->hotplug_slot;
-               memset(hotplug_slot, 0, sizeof(struct hotplug_slot));
 
                hotplug_slot->info =
-                               kmalloc(sizeof(*(hotplug_slot->info)),
+                               kzalloc(sizeof(*(hotplug_slot->info)),
                                                        GFP_KERNEL);
                if (!hotplug_slot->info)
                        goto error_hpslot;
                hotplug_slot_info = hotplug_slot->info;
-               memset(hotplug_slot_info, 0,
-                               sizeof(struct hotplug_slot_info));
                hotplug_slot->name = kmalloc(SLOT_NAME_SIZE, GFP_KERNEL);
 
                if (!hotplug_slot->name)
@@ -854,13 +850,12 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                        goto err_disable_device;
                }
 
-               ctrl = (struct controller *) kmalloc(sizeof(struct controller), GFP_KERNEL);
+               ctrl = kzalloc(sizeof(struct controller), GFP_KERNEL);
                if (!ctrl) {
                        err("%s : out of memory\n", __FUNCTION__);
                        rc = -ENOMEM;
                        goto err_disable_device;
                }
-               memset(ctrl, 0, sizeof(struct controller));
 
                rc = pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &subsystem_deviceid);
                if (rc) {
index 060d747..71b80c2 100644 (file)
@@ -95,15 +95,13 @@ static int add_slot(struct pci_dev *dev)
        struct hotplug_slot *slot;
        int retval = -ENOMEM;
 
-       slot = kmalloc(sizeof(struct hotplug_slot), GFP_KERNEL);
+       slot = kzalloc(sizeof(struct hotplug_slot), GFP_KERNEL);
        if (!slot)
                goto error;
-       memset(slot, 0, sizeof(*slot));
 
-       slot->info = kmalloc(sizeof(struct hotplug_slot_info), GFP_KERNEL);
+       slot->info = kzalloc(sizeof(struct hotplug_slot_info), GFP_KERNEL);
        if (!slot->info)
                goto error_slot;
-       memset(slot->info, 0, sizeof(struct hotplug_slot_info));
 
        slot->info->power_status = 1;
        slot->info->max_bus_speed = PCI_SPEED_UNKNOWN;
@@ -227,11 +225,10 @@ static void pci_rescan_bus(const struct pci_bus *bus)
 {
        unsigned int devfn;
        struct pci_dev *dev;
-       dev = kmalloc(sizeof(struct pci_dev), GFP_KERNEL);
+       dev = kzalloc(sizeof(struct pci_dev), GFP_KERNEL);
        if (!dev)
                return;
 
-       memset(dev, 0, sizeof(dev));
        dev->bus = (struct pci_bus*)bus;
        dev->sysdata = bus->sysdata;
        for (devfn = 0; devfn < 0x100; devfn += 8) {
index dc59da6..45e2a0d 100644 (file)
@@ -1141,7 +1141,7 @@ static int enable_slot(struct hotplug_slot *hs)
                goto error_power;
        }
 
-       slot_cur->func = kmalloc(sizeof(struct pci_func), GFP_KERNEL);
+       slot_cur->func = kzalloc(sizeof(struct pci_func), GFP_KERNEL);
        if (!slot_cur->func) {
                /* We cannot do update_slot_info here, since no memory for
                 * kmalloc n.e.ways, and update_slot_info allocates some */
@@ -1149,7 +1149,6 @@ static int enable_slot(struct hotplug_slot *hs)
                rc = -ENOMEM;
                goto error_power;
        }
-       memset(slot_cur->func, 0, sizeof(struct pci_func));
        slot_cur->func->busno = slot_cur->bus;
        slot_cur->func->device = slot_cur->device;
        for (i = 0; i < 4; i++)
@@ -1252,13 +1251,12 @@ int ibmphp_do_disable_slot(struct slot *slot_cur)
 
        if (slot_cur->func == NULL) {
                /* We need this for fncs's that were there on bootup */
-               slot_cur->func = kmalloc(sizeof(struct pci_func), GFP_KERNEL);
+               slot_cur->func = kzalloc(sizeof(struct pci_func), GFP_KERNEL);
                if (!slot_cur->func) {
                        err("out of system memory\n");
                        rc = -ENOMEM;
                        goto error;
                }
-               memset(slot_cur->func, 0, sizeof(struct pci_func));
                slot_cur->func->busno = slot_cur->bus;
                slot_cur->func->device = slot_cur->device;
        }
index aea1187..ba12034 100644 (file)
@@ -72,13 +72,7 @@ static int ebda_rio_table (void);
 
 static struct ebda_hpc_list * __init alloc_ebda_hpc_list (void)
 {
-       struct ebda_hpc_list *list;
-
-       list = kmalloc (sizeof (struct ebda_hpc_list), GFP_KERNEL);
-       if (!list)
-               return NULL;
-       memset (list, 0, sizeof (*list));
-       return list;
+       return kzalloc(sizeof(struct ebda_hpc_list), GFP_KERNEL);
 }
 
 static struct controller *alloc_ebda_hpc (u32 slot_count, u32 bus_count)
@@ -87,21 +81,18 @@ static struct controller *alloc_ebda_hpc (u32 slot_count, u32 bus_count)
        struct ebda_hpc_slot *slots;
        struct ebda_hpc_bus *buses;
 
-       controller = kmalloc (sizeof (struct controller), GFP_KERNEL);
+       controller = kzalloc(sizeof(struct controller), GFP_KERNEL);
        if (!controller)
                goto error;
-       memset (controller, 0, sizeof (*controller));
 
-       slots = kmalloc (sizeof (struct ebda_hpc_slot) * slot_count, GFP_KERNEL);
+       slots = kcalloc(slot_count, sizeof(struct ebda_hpc_slot), GFP_KERNEL);
        if (!slots)
                goto error_contr;
-       memset (slots, 0, sizeof (*slots) * slot_count);
        controller->slots = slots;
 
-       buses = kmalloc (sizeof (struct ebda_hpc_bus) * bus_count, GFP_KERNEL);
+       buses = kcalloc(bus_count, sizeof(struct ebda_hpc_bus), GFP_KERNEL);
        if (!buses)
                goto error_slots;
-       memset (buses, 0, sizeof (*buses) * bus_count);
        controller->buses = buses;
 
        return controller;
@@ -122,24 +113,12 @@ static void free_ebda_hpc (struct controller *controller)
 
 static struct ebda_rsrc_list * __init alloc_ebda_rsrc_list (void)
 {
-       struct ebda_rsrc_list *list;
-
-       list = kmalloc (sizeof (struct ebda_rsrc_list), GFP_KERNEL);
-       if (!list)
-               return NULL;
-       memset (list, 0, sizeof (*list));
-       return list;
+       return kzalloc(sizeof(struct ebda_rsrc_list), GFP_KERNEL);
 }
 
 static struct ebda_pci_rsrc *alloc_ebda_pci_rsrc (void)
 {
-       struct ebda_pci_rsrc *resource;
-
-       resource = kmalloc (sizeof (struct ebda_pci_rsrc), GFP_KERNEL);
-       if (!resource)
-               return NULL;
-       memset (resource, 0, sizeof (*resource));
-       return resource;
+       return kzalloc(sizeof(struct ebda_pci_rsrc), GFP_KERNEL);
 }
 
 static void __init print_bus_info (void)
@@ -390,10 +369,9 @@ int __init ibmphp_access_ebda (void)
                        debug ("now enter io table ---\n");
                        debug ("rio blk id: %x\n", blk_id);
 
-                       rio_table_ptr = kmalloc (sizeof (struct rio_table_hdr), GFP_KERNEL);
+                       rio_table_ptr = kzalloc(sizeof(struct rio_table_hdr), GFP_KERNEL);
                        if (!rio_table_ptr)
                                return -ENOMEM; 
-                       memset (rio_table_ptr, 0, sizeof (struct rio_table_hdr) );
                        rio_table_ptr->ver_num = readb (io_mem + offset);
                        rio_table_ptr->scal_count = readb (io_mem + offset + 1);
                        rio_table_ptr->riodev_count = readb (io_mem + offset + 2);
@@ -445,10 +423,9 @@ static int __init ebda_rio_table (void)
 
        // we do concern about rio details
        for (i = 0; i < rio_table_ptr->riodev_count; i++) {
-               rio_detail_ptr = kmalloc (sizeof (struct rio_detail), GFP_KERNEL);
+               rio_detail_ptr = kzalloc(sizeof(struct rio_detail), GFP_KERNEL);
                if (!rio_detail_ptr)
                        return -ENOMEM;
-               memset (rio_detail_ptr, 0, sizeof (struct rio_detail));
                rio_detail_ptr->rio_node_id = readb (io_mem + offset);
                rio_detail_ptr->bbar = readl (io_mem + offset + 1);
                rio_detail_ptr->rio_type = readb (io_mem + offset + 5);
@@ -503,10 +480,9 @@ static int __init combine_wpg_for_chassis (void)
                rio_detail_ptr = list_entry (list_head_ptr, struct rio_detail, rio_detail_list);
                opt_rio_ptr = search_opt_vg (rio_detail_ptr->chassis_num);
                if (!opt_rio_ptr) {
-                       opt_rio_ptr = (struct opt_rio *) kmalloc (sizeof (struct opt_rio), GFP_KERNEL);
+                       opt_rio_ptr = kzalloc(sizeof(struct opt_rio), GFP_KERNEL);
                        if (!opt_rio_ptr)
                                return -ENOMEM;
-                       memset (opt_rio_ptr, 0, sizeof (struct opt_rio));
                        opt_rio_ptr->rio_type = rio_detail_ptr->rio_type;
                        opt_rio_ptr->chassis_num = rio_detail_ptr->chassis_num;
                        opt_rio_ptr->first_slot_num = rio_detail_ptr->first_slot_num;
@@ -546,10 +522,9 @@ static int combine_wpg_for_expansion (void)
                rio_detail_ptr = list_entry (list_head_ptr, struct rio_detail, rio_detail_list);
                opt_rio_lo_ptr = search_opt_lo (rio_detail_ptr->chassis_num);
                if (!opt_rio_lo_ptr) {
-                       opt_rio_lo_ptr = (struct opt_rio_lo *) kmalloc (sizeof (struct opt_rio_lo), GFP_KERNEL);
+                       opt_rio_lo_ptr = kzalloc(sizeof(struct opt_rio_lo), GFP_KERNEL);
                        if (!opt_rio_lo_ptr)
                                return -ENOMEM;
-                       memset (opt_rio_lo_ptr, 0, sizeof (struct opt_rio_lo));
                        opt_rio_lo_ptr->rio_type = rio_detail_ptr->rio_type;
                        opt_rio_lo_ptr->chassis_num = rio_detail_ptr->chassis_num;
                        opt_rio_lo_ptr->first_slot_num = rio_detail_ptr->first_slot_num;
@@ -842,12 +817,11 @@ static int __init ebda_rsrc_controller (void)
 
                        bus_info_ptr2 = ibmphp_find_same_bus_num (slot_ptr->slot_bus_num);
                        if (!bus_info_ptr2) {
-                               bus_info_ptr1 = (struct bus_info *) kmalloc (sizeof (struct bus_info), GFP_KERNEL);
+                               bus_info_ptr1 = kzalloc(sizeof(struct bus_info), GFP_KERNEL);
                                if (!bus_info_ptr1) {
                                        rc = -ENOMEM;
                                        goto error_no_hp_slot;
                                }
-                               memset (bus_info_ptr1, 0, sizeof (struct bus_info));
                                bus_info_ptr1->slot_min = slot_ptr->slot_num;
                                bus_info_ptr1->slot_max = slot_ptr->slot_num;
                                bus_info_ptr1->slot_count += 1;
@@ -946,19 +920,17 @@ static int __init ebda_rsrc_controller (void)
                // register slots with hpc core as well as create linked list of ibm slot
                for (index = 0; index < hpc_ptr->slot_count; index++) {
 
-                       hp_slot_ptr = kmalloc(sizeof(*hp_slot_ptr), GFP_KERNEL);
+                       hp_slot_ptr = kzalloc(sizeof(*hp_slot_ptr), GFP_KERNEL);
                        if (!hp_slot_ptr) {
                                rc = -ENOMEM;
                                goto error_no_hp_slot;
                        }
-                       memset(hp_slot_ptr, 0, sizeof(*hp_slot_ptr));
 
-                       hp_slot_ptr->info = kmalloc (sizeof(struct hotplug_slot_info), GFP_KERNEL);
+                       hp_slot_ptr->info = kzalloc(sizeof(struct hotplug_slot_info), GFP_KERNEL);
                        if (!hp_slot_ptr->info) {
                                rc = -ENOMEM;
                                goto error_no_hp_info;
                        }
-                       memset(hp_slot_ptr->info, 0, sizeof(struct hotplug_slot_info));
 
                        hp_slot_ptr->name = kmalloc(30, GFP_KERNEL);
                        if (!hp_slot_ptr->name) {
@@ -966,12 +938,11 @@ static int __init ebda_rsrc_controller (void)
                                goto error_no_hp_name;
                        }
 
-                       tmp_slot = kmalloc(sizeof(*tmp_slot), GFP_KERNEL);
+                       tmp_slot = kzalloc(sizeof(*tmp_slot), GFP_KERNEL);
                        if (!tmp_slot) {
                                rc = -ENOMEM;
                                goto error_no_slot;
                        }
-                       memset(tmp_slot, 0, sizeof(*tmp_slot));
 
                        tmp_slot->flag = TRUE;
 
index 155133f..97753dd 100644 (file)
@@ -164,12 +164,11 @@ int ibmphp_configure_card (struct pci_func *func, u8 slotno)
                                                cleanup_count = 6;
                                                goto error;
                                        }
-                                       newfunc = kmalloc(sizeof(*newfunc), GFP_KERNEL);
+                                       newfunc = kzalloc(sizeof(*newfunc), GFP_KERNEL);
                                        if (!newfunc) {
                                                err ("out of system memory\n");
                                                return -ENOMEM;
                                        }
-                                       memset (newfunc, 0, sizeof (struct pci_func));
                                        newfunc->busno = cur_func->busno;
                                        newfunc->device = device;
                                        cur_func->next = newfunc;
@@ -203,12 +202,11 @@ int ibmphp_configure_card (struct pci_func *func, u8 slotno)
                                        flag = FALSE;
                                        for (i = 0; i < 32; i++) {
                                                if (func->devices[i]) {
-                                                       newfunc = kmalloc(sizeof(*newfunc), GFP_KERNEL);
+                                                       newfunc = kzalloc(sizeof(*newfunc), GFP_KERNEL);
                                                        if (!newfunc) {
                                                                err ("out of system memory\n");
                                                                return -ENOMEM;
                                                        }
-                                                       memset (newfunc, 0, sizeof (struct pci_func));
                                                        newfunc->busno = sec_number;
                                                        newfunc->device = (u8) i;
                                                        for (j = 0; j < 4; j++)
@@ -232,12 +230,11 @@ int ibmphp_configure_card (struct pci_func *func, u8 slotno)
                                                }
                                        }
 
-                                       newfunc = kmalloc(sizeof(*newfunc), GFP_KERNEL);
+                                       newfunc = kzalloc(sizeof(*newfunc), GFP_KERNEL);
                                        if (!newfunc) {
                                                err ("out of system memory\n");
                                                return -ENOMEM;
                                        }
-                                       memset (newfunc, 0, sizeof (struct pci_func));
                                        newfunc->busno = cur_func->busno;
                                        newfunc->device = device;
                                        for (j = 0; j < 4; j++)
@@ -279,12 +276,11 @@ int ibmphp_configure_card (struct pci_func *func, u8 slotno)
                                        for (i = 0; i < 32; i++) {
                                                if (func->devices[i]) {
                                                        debug ("inside for loop, device is %x\n", i);
-                                                       newfunc = kmalloc(sizeof(*newfunc), GFP_KERNEL);
+                                                       newfunc = kzalloc(sizeof(*newfunc), GFP_KERNEL);
                                                        if (!newfunc) {
                                                                err (" out of system memory\n");
                                                                return -ENOMEM;
                                                        }
-                                                       memset (newfunc, 0, sizeof (struct pci_func));
                                                        newfunc->busno = sec_number;
                                                        newfunc->device = (u8) i;
                                                        for (j = 0; j < 4; j++)
@@ -405,13 +401,12 @@ static int configure_device (struct pci_func *func)
 
                        debug ("len[count] in IO %x, count %d\n", len[count], count);
 
-                       io[count] = kmalloc (sizeof (struct resource_node), GFP_KERNEL);
+                       io[count] = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
 
                        if (!io[count]) {
                                err ("out of system memory\n");
                                return -ENOMEM;
                        }
-                       memset (io[count], 0, sizeof (struct resource_node));
                        io[count]->type = IO;
                        io[count]->busno = func->busno;
                        io[count]->devfunc = PCI_DEVFN(func->device, func->function);
@@ -444,12 +439,11 @@ static int configure_device (struct pci_func *func)
 
                                debug ("len[count] in PFMEM %x, count %d\n", len[count], count);
 
-                               pfmem[count] = kmalloc (sizeof (struct resource_node), GFP_KERNEL);
+                               pfmem[count] = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
                                if (!pfmem[count]) {
                                        err ("out of system memory\n");
                                        return -ENOMEM;
                                }
-                               memset (pfmem[count], 0, sizeof (struct resource_node));
                                pfmem[count]->type = PFMEM;
                                pfmem[count]->busno = func->busno;
                                pfmem[count]->devfunc = PCI_DEVFN(func->device,
@@ -460,13 +454,12 @@ static int configure_device (struct pci_func *func)
                                        ibmphp_add_resource (pfmem[count]);
                                        func->pfmem[count] = pfmem[count];
                                } else {
-                                       mem_tmp = kmalloc(sizeof(*mem_tmp), GFP_KERNEL);
+                                       mem_tmp = kzalloc(sizeof(*mem_tmp), GFP_KERNEL);
                                        if (!mem_tmp) {
                                                err ("out of system memory\n");
                                                kfree (pfmem[count]);
                                                return -ENOMEM;
                                        }
-                                       memset (mem_tmp, 0, sizeof (struct resource_node));
                                        mem_tmp->type = MEM;
                                        mem_tmp->busno = pfmem[count]->busno;
                                        mem_tmp->devfunc = pfmem[count]->devfunc;
@@ -512,12 +505,11 @@ static int configure_device (struct pci_func *func)
 
                                debug ("len[count] in Mem %x, count %d\n", len[count], count);
 
-                               mem[count] = kmalloc (sizeof (struct resource_node), GFP_KERNEL);
+                               mem[count] = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
                                if (!mem[count]) {
                                        err ("out of system memory\n");
                                        return -ENOMEM;
                                }
-                               memset (mem[count], 0, sizeof (struct resource_node));
                                mem[count]->type = MEM;
                                mem[count]->busno = func->busno;
                                mem[count]->devfunc = PCI_DEVFN(func->device,
@@ -677,14 +669,13 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
 
                        debug ("len[count] in IO = %x\n", len[count]);
 
-                       bus_io[count] = kmalloc (sizeof (struct resource_node), GFP_KERNEL);
+                       bus_io[count] = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
                
                        if (!bus_io[count]) {
                                err ("out of system memory\n");
                                retval = -ENOMEM;
                                goto error;
                        }
-                       memset (bus_io[count], 0, sizeof (struct resource_node));
                        bus_io[count]->type = IO;
                        bus_io[count]->busno = func->busno;
                        bus_io[count]->devfunc = PCI_DEVFN(func->device,
@@ -711,13 +702,12 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
 
                                debug ("len[count] in PFMEM = %x\n", len[count]);
 
-                               bus_pfmem[count] = kmalloc (sizeof (struct resource_node), GFP_KERNEL);
+                               bus_pfmem[count] = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
                                if (!bus_pfmem[count]) {
                                        err ("out of system memory\n");
                                        retval = -ENOMEM;
                                        goto error;
                                }
-                               memset (bus_pfmem[count], 0, sizeof (struct resource_node));
                                bus_pfmem[count]->type = PFMEM;
                                bus_pfmem[count]->busno = func->busno;
                                bus_pfmem[count]->devfunc = PCI_DEVFN(func->device,
@@ -728,13 +718,12 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
                                        ibmphp_add_resource (bus_pfmem[count]);
                                        func->pfmem[count] = bus_pfmem[count];
                                } else {
-                                       mem_tmp = kmalloc(sizeof(*mem_tmp), GFP_KERNEL);
+                                       mem_tmp = kzalloc(sizeof(*mem_tmp), GFP_KERNEL);
                                        if (!mem_tmp) {
                                                err ("out of system memory\n");
                                                retval = -ENOMEM;
                                                goto error;
                                        }
-                                       memset (mem_tmp, 0, sizeof (struct resource_node));
                                        mem_tmp->type = MEM;
                                        mem_tmp->busno = bus_pfmem[count]->busno;
                                        mem_tmp->devfunc = bus_pfmem[count]->devfunc;
@@ -770,13 +759,12 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
 
                                debug ("len[count] in Memory is %x\n", len[count]);
 
-                               bus_mem[count] = kmalloc (sizeof (struct resource_node), GFP_KERNEL);
+                               bus_mem[count] = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
                                if (!bus_mem[count]) {
                                        err ("out of system memory\n");
                                        retval = -ENOMEM;
                                        goto error;
                                }
-                               memset (bus_mem[count], 0, sizeof (struct resource_node));
                                bus_mem[count]->type = MEM;
                                bus_mem[count]->busno = func->busno;
                                bus_mem[count]->devfunc = PCI_DEVFN(func->device,
@@ -841,14 +829,13 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
                flag_io = TRUE;
        } else {
                debug ("it wants %x IO behind the bridge\n", amount_needed->io);
-               io = kmalloc(sizeof(*io), GFP_KERNEL);
+               io = kzalloc(sizeof(*io), GFP_KERNEL);
                
                if (!io) {
                        err ("out of system memory\n");
                        retval = -ENOMEM;
                        goto error;
                }
-               memset (io, 0, sizeof (struct resource_node));
                io->type = IO;
                io->busno = func->busno;
                io->devfunc = PCI_DEVFN(func->device, func->function);
@@ -865,13 +852,12 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
                flag_mem = TRUE;
        } else {
                debug ("it wants %x memory behind the bridge\n", amount_needed->mem);
-               mem = kmalloc(sizeof(*mem), GFP_KERNEL);
+               mem = kzalloc(sizeof(*mem), GFP_KERNEL);
                if (!mem) {
                        err ("out of system memory\n");
                        retval = -ENOMEM;
                        goto error;
                }
-               memset (mem, 0, sizeof (struct resource_node));
                mem->type = MEM;
                mem->busno = func->busno;
                mem->devfunc = PCI_DEVFN(func->device, func->function);
@@ -888,13 +874,12 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
                flag_pfmem = TRUE;
        } else {
                debug ("it wants %x pfmemory behind the bridge\n", amount_needed->pfmem);
-               pfmem = kmalloc(sizeof(*pfmem), GFP_KERNEL);
+               pfmem = kzalloc(sizeof(*pfmem), GFP_KERNEL);
                if (!pfmem) {
                        err ("out of system memory\n");
                        retval = -ENOMEM;
                        goto error;
                }
-               memset (pfmem, 0, sizeof (struct resource_node));
                pfmem->type = PFMEM;
                pfmem->busno = func->busno;
                pfmem->devfunc = PCI_DEVFN(func->device, func->function);
@@ -904,13 +889,12 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
                        ibmphp_add_resource (pfmem);
                        flag_pfmem = TRUE;
                } else {
-                       mem_tmp = kmalloc(sizeof(*mem_tmp), GFP_KERNEL);
+                       mem_tmp = kzalloc(sizeof(*mem_tmp), GFP_KERNEL);
                        if (!mem_tmp) {
                                err ("out of system memory\n");
                                retval = -ENOMEM;
                                goto error;
                        }
-                       memset (mem_tmp, 0, sizeof (struct resource_node));
                        mem_tmp->type = MEM;
                        mem_tmp->busno = pfmem->busno;
                        mem_tmp->devfunc = pfmem->devfunc;
@@ -936,13 +920,12 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
                 */
                bus = ibmphp_find_res_bus (sec_number);
                if (!bus) {
-                       bus = kmalloc(sizeof(*bus), GFP_KERNEL);
+                       bus = kzalloc(sizeof(*bus), GFP_KERNEL);
                        if (!bus) {
                                err ("out of system memory\n");
                                retval = -ENOMEM;
                                goto error;
                        }
-                       memset (bus, 0, sizeof (struct bus_node));
                        bus->busno = sec_number;
                        debug ("b4 adding new bus\n");
                        rc = add_new_bus (bus, io, mem, pfmem, func->busno);
@@ -1111,10 +1094,9 @@ static struct res_needed *scan_behind_bridge (struct pci_func * func, u8 busno)
        };
        struct res_needed *amount;
 
-       amount = kmalloc(sizeof(*amount), GFP_KERNEL);
+       amount = kzalloc(sizeof(*amount), GFP_KERNEL);
        if (amount == NULL)
                return NULL;
-       memset (amount, 0, sizeof (struct res_needed));
 
        ibmphp_pci_bus->number = busno;
 
@@ -1672,12 +1654,11 @@ static int add_new_bus (struct bus_node *bus, struct resource_node *io, struct r
                list_add (&bus->bus_list, &cur_bus->bus_list);
        }
        if (io) {
-               io_range = kmalloc(sizeof(*io_range), GFP_KERNEL);
+               io_range = kzalloc(sizeof(*io_range), GFP_KERNEL);
                if (!io_range) {
                        err ("out of system memory\n");
                        return -ENOMEM;
                }
-               memset (io_range, 0, sizeof (struct range_node));
                io_range->start = io->start;
                io_range->end = io->end;
                io_range->rangeno = 1;
@@ -1685,12 +1666,11 @@ static int add_new_bus (struct bus_node *bus, struct resource_node *io, struct r
                bus->rangeIO = io_range;
        }
        if (mem) {
-               mem_range = kmalloc(sizeof(*mem_range), GFP_KERNEL);
+               mem_range = kzalloc(sizeof(*mem_range), GFP_KERNEL);
                if (!mem_range) {
                        err ("out of system memory\n");
                        return -ENOMEM;
                }
-               memset (mem_range, 0, sizeof (struct range_node));
                mem_range->start = mem->start;
                mem_range->end = mem->end;
                mem_range->rangeno = 1;
@@ -1698,12 +1678,11 @@ static int add_new_bus (struct bus_node *bus, struct resource_node *io, struct r
                bus->rangeMem = mem_range;
        }
        if (pfmem) {
-               pfmem_range = kmalloc(sizeof(*pfmem_range), GFP_KERNEL);
+               pfmem_range = kzalloc(sizeof(*pfmem_range), GFP_KERNEL);
                if (!pfmem_range) {     
                        err ("out of system memory\n");
                        return -ENOMEM;
                }
-               memset (pfmem_range, 0, sizeof (struct range_node));
                pfmem_range->start = pfmem->start;
                pfmem_range->end = pfmem->end;
                pfmem_range->rangeno = 1;
index 9c224c9..852a98b 100644 (file)
@@ -55,13 +55,12 @@ static struct bus_node * __init alloc_error_bus (struct ebda_pci_rsrc * curr, u8
                return NULL;
        }
 
-       newbus = kmalloc (sizeof (struct bus_node), GFP_KERNEL);
+       newbus = kzalloc(sizeof(struct bus_node), GFP_KERNEL);
        if (!newbus) {
                err ("out of system memory\n");
                return NULL;
        }
 
-       memset (newbus, 0, sizeof (struct bus_node));
        if (flag)
                newbus->busno = busno;
        else
@@ -79,12 +78,11 @@ static struct resource_node * __init alloc_resources (struct ebda_pci_rsrc * cur
                return NULL;
        }
 
-       rs = kmalloc (sizeof (struct resource_node), GFP_KERNEL);
+       rs = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
        if (!rs) {
                err ("out of system memory\n");
                return NULL;
        }
-       memset (rs, 0, sizeof (struct resource_node));
        rs->busno = curr->bus_num;
        rs->devfunc = curr->dev_fun;
        rs->start = curr->start_addr;
@@ -100,12 +98,11 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node
        u8 num_ranges = 0;
 
        if (first_bus) {
-               newbus = kmalloc (sizeof (struct bus_node), GFP_KERNEL);
+               newbus = kzalloc(sizeof(struct bus_node), GFP_KERNEL);
                if (!newbus) {
                        err ("out of system memory.\n");
                        return -ENOMEM;
                }
-               memset (newbus, 0, sizeof (struct bus_node));
                newbus->busno = curr->bus_num;
        } else {
                newbus = *new_bus;
@@ -122,14 +119,13 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node
                }
        }
 
-       newrange = kmalloc (sizeof (struct range_node), GFP_KERNEL);
+       newrange = kzalloc(sizeof(struct range_node), GFP_KERNEL);
        if (!newrange) {
                if (first_bus)
                        kfree (newbus);
                err ("out of system memory\n");
                return -ENOMEM;
        }
-       memset (newrange, 0, sizeof (struct range_node));
        newrange->start = curr->start_addr;
        newrange->end = curr->end_addr;
                
@@ -1705,12 +1701,11 @@ static int __init once_over (void)
 
                                bus_cur->firstPFMemFromMem = pfmem_cur;
 
-                               mem = kmalloc (sizeof (struct resource_node), GFP_KERNEL);              
+                               mem = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
                                if (!mem) {
                                        err ("out of system memory\n");
                                        return -ENOMEM;
                                }
-                               memset (mem, 0, sizeof (struct resource_node));
                                mem->type = MEM;
                                mem->busno = pfmem_cur->busno;
                                mem->devfunc = pfmem_cur->devfunc;
@@ -1994,12 +1989,11 @@ static int __init update_bridge_ranges (struct bus_node **bus)
                                                end_address |= (upper_io_end << 16);
 
                                                if ((start_address) && (start_address <= end_address)) {
-                                                       range = kmalloc (sizeof (struct range_node), GFP_KERNEL);
+                                                       range = kzalloc(sizeof(struct range_node), GFP_KERNEL);
                                                        if (!range) {
                                                                err ("out of system memory\n");
                                                                return -ENOMEM;
                                                        }
-                                                       memset (range, 0, sizeof (struct range_node));
                                                        range->start = start_address;
                                                        range->end = end_address + 0xfff;
 
@@ -2020,13 +2014,12 @@ static int __init update_bridge_ranges (struct bus_node **bus)
                                                        fix_resources (bus_sec);
 
                                                        if (ibmphp_find_resource (bus_cur, start_address, &io, IO)) {
-                                                               io = kmalloc (sizeof (struct resource_node), GFP_KERNEL);                                                       
+                                                               io = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
                                                                if (!io) {
                                                                        kfree (range);
                                                                        err ("out of system memory\n");
                                                                        return -ENOMEM;
                                                                }
-                                                               memset (io, 0, sizeof (struct resource_node));
                                                                io->type = IO;
                                                                io->busno = bus_cur->busno;
                                                                io->devfunc = ((device << 3) | (function & 0x7));
@@ -2045,12 +2038,11 @@ static int __init update_bridge_ranges (struct bus_node **bus)
 
                                                if ((start_address) && (start_address <= end_address)) {
 
-                                                       range = kmalloc (sizeof (struct range_node), GFP_KERNEL);
+                                                       range = kzalloc(sizeof(struct range_node), GFP_KERNEL);
                                                        if (!range) {
                                                                err ("out of system memory\n");
                                                                return -ENOMEM;
                                                        }
-                                                       memset (range, 0, sizeof (struct range_node));
                                                        range->start = start_address;
                                                        range->end = end_address + 0xfffff;
 
@@ -2072,13 +2064,12 @@ static int __init update_bridge_ranges (struct bus_node **bus)
                                                        fix_resources (bus_sec);
 
                                                        if (ibmphp_find_resource (bus_cur, start_address, &mem, MEM)) {
-                                                               mem = kmalloc (sizeof (struct resource_node), GFP_KERNEL);
+                                                               mem = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
                                                                if (!mem) {
                                                                        kfree (range);
                                                                        err ("out of system memory\n");
                                                                        return -ENOMEM;
                                                                }
-                                                               memset (mem, 0, sizeof (struct resource_node));
                                                                mem->type = MEM;
                                                                mem->busno = bus_cur->busno;
                                                                mem->devfunc = ((device << 3) | (function & 0x7));
@@ -2101,12 +2092,11 @@ static int __init update_bridge_ranges (struct bus_node **bus)
 
                                                if ((start_address) && (start_address <= end_address)) {
 
-                                                       range = kmalloc (sizeof (struct range_node), GFP_KERNEL);
+                                                       range = kzalloc(sizeof(struct range_node), GFP_KERNEL);
                                                        if (!range) {
                                                                err ("out of system memory\n");
                                                                return -ENOMEM;
                                                        }
-                                                       memset (range, 0, sizeof (struct range_node));
                                                        range->start = start_address;
                                                        range->end = end_address + 0xfffff;
 
@@ -2127,13 +2117,12 @@ static int __init update_bridge_ranges (struct bus_node **bus)
 
                                                        fix_resources (bus_sec);
                                                        if (ibmphp_find_resource (bus_cur, start_address, &pfmem, PFMEM)) {
-                                                               pfmem = kmalloc (sizeof (struct resource_node), GFP_KERNEL);
+                                                               pfmem = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
                                                                if (!pfmem) {
                                                                        kfree (range);
                                                                        err ("out of system memory\n");
                                                                        return -ENOMEM;
                                                                }
-                                                               memset (pfmem, 0, sizeof (struct resource_node));
                                                                pfmem->type = PFMEM;
                                                                pfmem->busno = bus_cur->busno;
                                                                pfmem->devfunc = ((device << 3) | (function & 0x7));
index 1e8506e..601cf90 100644 (file)
@@ -117,27 +117,23 @@ static int init_slots(struct controller *ctrl)
        slot_number = ctrl->first_slot;
 
        while (number_of_slots) {
-               slot = kmalloc(sizeof(*slot), GFP_KERNEL);
+               slot = kzalloc(sizeof(*slot), GFP_KERNEL);
                if (!slot)
                        goto error;
 
-               memset(slot, 0, sizeof(struct slot));
                slot->hotplug_slot =
-                               kmalloc(sizeof(*(slot->hotplug_slot)),
+                               kzalloc(sizeof(*(slot->hotplug_slot)),
                                                GFP_KERNEL);
                if (!slot->hotplug_slot)
                        goto error_slot;
                hotplug_slot = slot->hotplug_slot;
-               memset(hotplug_slot, 0, sizeof(struct hotplug_slot));
 
                hotplug_slot->info =
-                       kmalloc(sizeof(*(hotplug_slot->info)),
+                       kzalloc(sizeof(*(hotplug_slot->info)),
                                                GFP_KERNEL);
                if (!hotplug_slot->info)
                        goto error_hpslot;
                hotplug_slot_info = hotplug_slot->info;
-               memset(hotplug_slot_info, 0,
-                                       sizeof(struct hotplug_slot_info));
                hotplug_slot->name = kmalloc(SLOT_NAME_SIZE, GFP_KERNEL);
                if (!hotplug_slot->name)
                        goto error_info;
@@ -373,12 +369,11 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_
        u8 value;
        struct pci_dev *pdev;
        
-       ctrl = kmalloc(sizeof(*ctrl), GFP_KERNEL);
+       ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
        if (!ctrl) {
                err("%s : out of memory\n", __FUNCTION__);
                goto err_out_none;
        }
-       memset(ctrl, 0, sizeof(struct controller));
 
        pdev = dev->port;
        ctrl->pci_dev = pdev;
index 78943e0..b771196 100644 (file)
@@ -84,19 +84,16 @@ struct slot *alloc_slot_struct(struct device_node *dn, int drc_index, char *drc_
 {
        struct slot *slot;
        
-       slot = kmalloc(sizeof (struct slot), GFP_KERNEL);
+       slot = kzalloc(sizeof(struct slot), GFP_KERNEL);
        if (!slot)
                goto error_nomem;
-       memset(slot, 0, sizeof (struct slot));
-       slot->hotplug_slot = kmalloc(sizeof (struct hotplug_slot), GFP_KERNEL);
+       slot->hotplug_slot = kzalloc(sizeof(struct hotplug_slot), GFP_KERNEL);
        if (!slot->hotplug_slot)
                goto error_slot;        
-       memset(slot->hotplug_slot, 0, sizeof (struct hotplug_slot));
-       slot->hotplug_slot->info = kmalloc(sizeof (struct hotplug_slot_info),
+       slot->hotplug_slot->info = kzalloc(sizeof(struct hotplug_slot_info),
                                           GFP_KERNEL);
        if (!slot->hotplug_slot->info)
                goto error_hpslot;
-       memset(slot->hotplug_slot->info, 0, sizeof (struct hotplug_slot_info));
        slot->hotplug_slot->name = kmalloc(BUS_ID_SIZE + 1, GFP_KERNEL);
        if (!slot->hotplug_slot->name)
                goto error_info;        
index eb5b50c..f22f69a 100644 (file)
@@ -53,11 +53,10 @@ store_new_id(struct device_driver *driver, const char *buf, size_t count)
        if (fields < 0)
                return -EINVAL;
 
-       dynid = kmalloc(sizeof(*dynid), GFP_KERNEL);
+       dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
        if (!dynid)
                return -ENOMEM;
 
-       memset(dynid, 0, sizeof(*dynid));
        INIT_LIST_HEAD(&dynid->node);
        dynid->id.vendor = vendor;
        dynid->id.device = device;
index 965a593..56ac2bc 100644 (file)
@@ -501,9 +501,8 @@ int pci_create_sysfs_dev_files (struct pci_dev *pdev)
        if (pci_resource_len(pdev, PCI_ROM_RESOURCE)) {
                struct bin_attribute *rom_attr;
                
-               rom_attr = kmalloc(sizeof(*rom_attr), GFP_ATOMIC);
+               rom_attr = kzalloc(sizeof(*rom_attr), GFP_ATOMIC);
                if (rom_attr) {
-                       memset(rom_attr, 0x00, sizeof(*rom_attr));
                        pdev->rom_attr = rom_attr;
                        rom_attr->size = pci_resource_len(pdev, PCI_ROM_RESOURCE);
                        rom_attr->attr.name = "rom";
index e4e5f1e..55c6622 100644 (file)
@@ -248,11 +248,10 @@ static struct pcie_device* alloc_pcie_device(struct pci_dev *parent,
 {
        struct pcie_device *device;
 
-       device = kmalloc(sizeof(struct pcie_device), GFP_KERNEL);
+       device = kzalloc(sizeof(struct pcie_device), GFP_KERNEL);
        if (!device)
                return NULL;
 
-       memset(device, 0, sizeof(struct pcie_device));
        pcie_device_init(parent, device, port_type, service_type, irq,irq_mode);
        printk(KERN_DEBUG "Allocate Port Service[%s]\n", device->device.bus_id);
        return device;
index e3dc306..a10ed9d 100644 (file)
@@ -33,10 +33,9 @@ LIST_HEAD(pci_devices);
  */
 static void pci_create_legacy_files(struct pci_bus *b)
 {
-       b->legacy_io = kmalloc(sizeof(struct bin_attribute) * 2,
+       b->legacy_io = kzalloc(sizeof(struct bin_attribute) * 2,
                               GFP_ATOMIC);
        if (b->legacy_io) {
-               memset(b->legacy_io, 0, sizeof(struct bin_attribute) * 2);
                b->legacy_io->attr.name = "legacy_io";
                b->legacy_io->size = 0xffff;
                b->legacy_io->attr.mode = S_IRUSR | S_IWUSR;
@@ -320,9 +319,8 @@ static struct pci_bus * __devinit pci_alloc_bus(void)
 {
        struct pci_bus *b;
 
-       b = kmalloc(sizeof(*b), GFP_KERNEL);
+       b = kzalloc(sizeof(*b), GFP_KERNEL);
        if (b) {
-               memset(b, 0, sizeof(*b));
                INIT_LIST_HEAD(&b->node);
                INIT_LIST_HEAD(&b->children);
                INIT_LIST_HEAD(&b->devices);
@@ -797,11 +795,10 @@ pci_scan_device(struct pci_bus *bus, int devfn)
        if (pci_bus_read_config_byte(bus, devfn, PCI_HEADER_TYPE, &hdr_type))
                return NULL;
 
-       dev = kmalloc(sizeof(struct pci_dev), GFP_KERNEL);
+       dev = kzalloc(sizeof(struct pci_dev), GFP_KERNEL);
        if (!dev)
                return NULL;
 
-       memset(dev, 0, sizeof(struct pci_dev));
        dev->bus = bus;
        dev->sysdata = bus->sysdata;
        dev->dev.parent = bus->bridge;