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Compile warning: ignoring return value of `sysfs_create_link', declared with attribute warn_unused_result. If sysfs_create_link failed, take care of the return value and do some error handle after the failure. Since sysfs_remove_link() will check whether a link exists, when removing the link in error path, we don't need to care whether a link was created. Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Cc: Markus Lidel <Markus.Lidel@shadowconnect.com> Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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