commit ee27a558ae0ff5063ccd6c47ca102c0bb0e3ba27
author Roland McGrath <roland@redhat.com> Tue Mar 11 17:13:15 2008 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> Wed Mar 12 12:34:37 2008 -0700
tree dcf8c19fa113bf8bd1e8d5c97a4d527cc845e38d
parent a8ae50ba9336ff77d0df0943ac27b79ba0a5a521

genhd must_check warning fix

Fixes:

	block/genhd.c:361: warning: ignoring return value of ‘class_register’, declared with attribute warn_unused_result

Signed-off-by: Roland McGrath <roland@redhat.com>
Acked-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

block/genhd.c

diff --git a/block/genhd.c b/block/genhd.c
index c44527d..00da521 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -360,7 +360,9 @@
 
 static int __init genhd_device_init(void)
 {
-	class_register(&block_class);
+	int error = class_register(&block_class);
+	if (unlikely(error))
+		return error;
 	bdev_map = kobj_map_init(base_probe, &block_class_lock);
 	blk_dev_init();