unregister_blkdev() delete redundant messages in callers

No need to warn unregister_blkdev() failure by the callers.  (The previous
patch makes unregister_blkdev() print error message in error case)

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>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index f4f7d35561ab..846614e676c6 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -161,9 +161,7 @@ static void local_exit(void)
 {
         kmem_cache_destroy(_tio_cache);
         kmem_cache_destroy(_io_cache);
-
-        if (unregister_blkdev(_major, _name) < 0)
-                DMERR("unregister_blkdev failed");
+        unregister_blkdev(_major, _name);
 
         _major = 0;