Put WARN_ON and fixed all callers of unregister_blkdev().
Now we can make unregister_blkdev return void.
Cc: Jens Axboe <[EMAIL PROTECTED]>
Signed-off-by: Akinobu Mita <[EMAIL PROTECTED]>
---
block/genhd.c | 7 +------
include/linux/fs.h | 2 +-
2 files changed, 2 insertions(+), 7 deletions(-)
Index: 2.6-mm/block/genhd.c
===================================================================
--- 2.6-mm.orig/block/genhd.c
+++ 2.6-mm/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
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);
Index: 2.6-mm/include/linux/fs.h
===================================================================
--- 2.6-mm.orig/include/linux/fs.h
+++ 2.6-mm/include/linux/fs.h
@@ -1553,7 +1553,7 @@ 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);
-
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