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authorAkinobu Mita <akinobu.mita@gmail.com>2007-07-17 04:03:47 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-17 10:23:03 -0700
commitf4480240f700587c15507b7815e75989b16825b2 (patch)
tree96eac4ec200cf49cb1cbbdf185befca34d83b629
parentunregister_blkdev(): delete redundant message (diff)
downloadlinux-dev-f4480240f700587c15507b7815e75989b16825b2.tar.xz
linux-dev-f4480240f700587c15507b7815e75989b16825b2.zip
unregister_blkdev(): return void
Put WARN_ON and fixed all callers of unregister_blkdev(). Now we can make unregister_blkdev return void. Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--block/genhd.c7
-rw-r--r--include/linux/fs.h2
2 files changed, 2 insertions, 7 deletions
diff --git a/block/genhd.c b/block/genhd.c
index 7f71b2c472b8..3af1e7a378d4 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -108,13 +108,11 @@ 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)
@@ -122,15 +120,12 @@ int unregister_blkdev(unsigned int major, const char *name)
break;
if (!*n || strcmp((*n)->name, name)) {
WARN_ON(1);
- ret = -EINVAL;
} else {
p = *n;
*n = p->next;
}
mutex_unlock(&block_subsys_lock);
kfree(p);
-
- return ret;
}
EXPORT_SYMBOL(unregister_blkdev);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index b3a9f0db9d80..aa74f7de9dcd 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1527,7 +1527,7 @@ extern void putname(const char *name);
#ifdef CONFIG_BLOCK
extern int register_blkdev(unsigned int, const char *);
-extern int unregister_blkdev(unsigned int, const char *);
+extern void unregister_blkdev(unsigned int, const char *);
extern struct block_device *bdget(dev_t);
extern void bd_set_size(struct block_device *, loff_t size);
extern void bd_forget(struct inode *inode);