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/block/z2ram.c b/drivers/block/z2ram.c
index 2abf94cc3137..e40fa98842e5 100644
--- a/drivers/block/z2ram.c
+++ b/drivers/block/z2ram.c
@@ -371,9 +371,7 @@ static void __exit z2_exit(void)
 {
     int i, j;
     blk_unregister_region(MKDEV(Z2RAM_MAJOR, 0), 256);
-    if ( unregister_blkdev( Z2RAM_MAJOR, DEVICE_NAME ) != 0 )
-        printk( KERN_ERR DEVICE_NAME ": unregister of device failed\n");
-
+    unregister_blkdev(Z2RAM_MAJOR, DEVICE_NAME);
     del_gendisk(z2ram_gendisk);
     put_disk(z2ram_gendisk);
     blk_cleanup_queue(z2_queue);