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authorJoseph Qi <joseph.qi@huawei.com>2013-05-24 15:55:12 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-05-24 16:22:51 -0700
commitafe1bb73f8ed588ab6268c27c5a447fe0484e48f (patch)
tree86d5eb340a0d5041e6473d0642a17637ca441ab8 /Documentation
parentd34883d4e35c0a994e91dd847a82b4c9e0c31d83 (diff)
downloadlinux-bcache-afe1bb73f8ed588ab6268c27c5a447fe0484e48f.tar.zst
ocfs2: unlock rw lock if inode lock failed
In ocfs2_file_aio_write(), it does ocfs2_rw_lock() first and then ocfs2_inode_lock(). But if ocfs2_inode_lock() failed, it goes to out_sems without unlocking rw lock. This will cause a bug in ocfs2_lock_res_free() when testing res->l_ex_holders, which is increased in __ocfs2_cluster_lock() and decreased in __ocfs2_cluster_unlock(). Signed-off-by: Joseph Qi <joseph.qi@huawei.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Li Zefan <lizefan@huawei.com> Cc: "Duyongfeng (B)" <du.duyongfeng@huawei.com> Acked-by: Sunil Mushran <sunil.mushran@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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