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Message-Id: <20080312001317.D68A526F991@magilla.localdomain>
Date: Tue, 11 Mar 2008 17:13:15 -0700 (PDT)
From: Roland McGrath <roland@...hat.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH] 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@...hat.com>
---
block/genhd.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
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 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();
--
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