[ALSA] hda-codec - Add laptop-automute model for AD1986A

[linux-2.6.git] / block / genhd.c

diff --git a/block/genhd.c b/block/genhd.c
index b321cadd6e65b5d543aed766ccdc09cad0be7eb0..e609996f2e766d7009d5984aa8b4fbc29c813bbf 100644 (file)
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -108,28 +108,24 @@ out:
 
 EXPORT_SYMBOL(register_blkdev);
 
-/* todo: make void - error printk here */
-int unregister_blkdev(unsigned int major, const char *name)
+void unregister_blkdev(unsigned int major, const char *name)
 {
        struct blk_major_name **n;
        struct blk_major_name *p = NULL;
        int index = major_to_index(major);
-       int ret = 0;
 
        mutex_lock(&block_subsys_lock);
        for (n = &major_names[index]; *n; n = &(*n)->next)
                if ((*n)->major == major)
                        break;
-       if (!*n || strcmp((*n)->name, name))
-               ret = -EINVAL;
-       else {
+       if (!*n || strcmp((*n)->name, name)) {
+               WARN_ON(1);
+       } else {
                p = *n;
                *n = p->next;
        }
        mutex_unlock(&block_subsys_lock);
        kfree(p);
-
-       return ret;
 }
 
 EXPORT_SYMBOL(unregister_blkdev);
@@ -544,61 +540,42 @@ static int block_uevent_filter(struct kset *kset, struct kobject *kobj)
        return ((ktype == &ktype_block) || (ktype == &ktype_part));
 }
 
-static int block_uevent(struct kset *kset, struct kobject *kobj, char **envp,
-                        int num_envp, char *buffer, int buffer_size)
+static int block_uevent(struct kset *kset, struct kobject *kobj,
+                       struct kobj_uevent_env *env)
 {
        struct kobj_type *ktype = get_ktype(kobj);
        struct device *physdev;
        struct gendisk *disk;
        struct hd_struct *part;
-       int length = 0;
-       int i = 0;
 
        if (ktype == &ktype_block) {
                disk = container_of(kobj, struct gendisk, kobj);
-               add_uevent_var(envp, num_envp, &i, buffer, buffer_size,
-                              &length, "MINOR=%u", disk->first_minor);
+               add_uevent_var(env, "MINOR=%u", disk->first_minor);
        } else if (ktype == &ktype_part) {
                disk = container_of(kobj->parent, struct gendisk, kobj);
                part = container_of(kobj, struct hd_struct, kobj);
-               add_uevent_var(envp, num_envp, &i, buffer, buffer_size,
-                              &length, "MINOR=%u",
+               add_uevent_var(env, "MINOR=%u",
                               disk->first_minor + part->partno);
        } else
                return 0;
 
-       add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length,
-                      "MAJOR=%u", disk->major);
+       add_uevent_var(env, "MAJOR=%u", disk->major);
 
        /* add physical device, backing this device  */
        physdev = disk->driverfs_dev;
        if (physdev) {
                char *path = kobject_get_path(&physdev->kobj, GFP_KERNEL);
 
-               add_uevent_var(envp, num_envp, &i, buffer, buffer_size,
-                              &length, "PHYSDEVPATH=%s", path);
+               add_uevent_var(env, "PHYSDEVPATH=%s", path);
                kfree(path);
 
                if (physdev->bus)
-                       add_uevent_var(envp, num_envp, &i,
-                                      buffer, buffer_size, &length,
-                                      "PHYSDEVBUS=%s",
-                                      physdev->bus->name);
+                       add_uevent_var(env, "PHYSDEVBUS=%s", physdev->bus->name);
 
                if (physdev->driver)
-                       add_uevent_var(envp, num_envp, &i,
-                                      buffer, buffer_size, &length,
-                                      "PHYSDEVDRIVER=%s",
-                                      physdev->driver->name);
+                       add_uevent_var(env, physdev->driver->name);
        }
 
-       /* terminate, set to next free slot, shrink available space */
-       envp[i] = NULL;
-       envp = &envp[i];
-       num_envp -= i;
-       buffer = &buffer[length];
-       buffer_size -= length;
-
        return 0;
 }