From ee27a558ae0ff5063ccd6c47ca102c0bb0e3ba27 Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@redhat.com>
Date: Tue, 11 Mar 2008 17:13:15 -0700
Subject: [PATCH] genhd must_check warning fix
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Fixes:
block/genhd.c:361: warning: ignoring return value of âclass_registerâ, 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 | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/block/genhd.c b/block/genhd.c
index c44527d16c52..00da5219ee37 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -360,7 +360,9 @@ static struct kobject *base_probe(dev_t devt, int *part, void *data)
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();
--
2.34.1