dm: use kzalloc
Dmitry Monakhov [Fri, 19 Oct 2007 21:38:51 +0000 (22:38 +0100)]
Convert kmalloc() + memset() to kzalloc().

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

drivers/md/dm-emc.c
drivers/md/dm-hw-handler.c
drivers/md/dm-path-selector.c
drivers/md/dm-table.c
drivers/md/dm-target.c

index 3425172..ed28fe2 100644 (file)
@@ -211,12 +211,10 @@ fail_path:
 
 static struct emc_handler *alloc_emc_handler(void)
 {
-       struct emc_handler *h = kmalloc(sizeof(*h), GFP_KERNEL);
+       struct emc_handler *h = kzalloc(sizeof(*h), GFP_KERNEL);
 
-       if (h) {
-               memset(h, 0, sizeof(*h));
+       if (h)
                spin_lock_init(&h->lock);
-       }
 
        return h;
 }
index baafaab..2ee84d8 100644 (file)
@@ -91,12 +91,10 @@ void dm_put_hw_handler(struct hw_handler_type *hwht)
 
 static struct hwh_internal *_alloc_hw_handler(struct hw_handler_type *hwht)
 {
-       struct hwh_internal *hwhi = kmalloc(sizeof(*hwhi), GFP_KERNEL);
+       struct hwh_internal *hwhi = kzalloc(sizeof(*hwhi), GFP_KERNEL);
 
-       if (hwhi) {
-               memset(hwhi, 0, sizeof(*hwhi));
+       if (hwhi)
                hwhi->hwht = *hwht;
-       }
 
        return hwhi;
 }
index f10a0c8..ca1bb63 100644 (file)
@@ -94,12 +94,10 @@ out:
 
 static struct ps_internal *_alloc_path_selector(struct path_selector_type *pst)
 {
-       struct ps_internal *psi = kmalloc(sizeof(*psi), GFP_KERNEL);
+       struct ps_internal *psi = kzalloc(sizeof(*psi), GFP_KERNEL);
 
-       if (psi) {
-               memset(psi, 0, sizeof(*psi));
+       if (psi)
                psi->pst = *pst;
-       }
 
        return psi;
 }
index fbe477b..8939e61 100644 (file)
@@ -213,12 +213,11 @@ static int alloc_targets(struct dm_table *t, unsigned int num)
 int dm_table_create(struct dm_table **result, int mode,
                    unsigned num_targets, struct mapped_device *md)
 {
-       struct dm_table *t = kmalloc(sizeof(*t), GFP_KERNEL);
+       struct dm_table *t = kzalloc(sizeof(*t), GFP_KERNEL);
 
        if (!t)
                return -ENOMEM;
 
-       memset(t, 0, sizeof(*t));
        INIT_LIST_HEAD(&t->devices);
        atomic_set(&t->holders, 1);
 
index 477a041..835cf95 100644 (file)
@@ -88,12 +88,10 @@ void dm_put_target_type(struct target_type *t)
 
 static struct tt_internal *alloc_target(struct target_type *t)
 {
-       struct tt_internal *ti = kmalloc(sizeof(*ti), GFP_KERNEL);
+       struct tt_internal *ti = kzalloc(sizeof(*ti), GFP_KERNEL);
 
-       if (ti) {
-               memset(ti, 0, sizeof(*ti));
+       if (ti)
                ti->tt = *t;
-       }
 
        return ti;
 }