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authorJoseph Qi <joseph.qi@huawei.com>2013-05-24 22:55:12 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2013-05-24 23:22:51 (GMT)
commitafe1bb73f8ed588ab6268c27c5a447fe0484e48f (patch)
tree86d5eb340a0d5041e6473d0642a17637ca441ab8 /fs/ocfs2
parentd34883d4e35c0a994e91dd847a82b4c9e0c31d83 (diff)
downloadlinux-afe1bb73f8ed588ab6268c27c5a447fe0484e48f.tar.xz
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>
Diffstat (limited to 'fs/ocfs2')
-rw-r--r--fs/ocfs2/file.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 8a7509f..ff54014 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -2288,7 +2288,7 @@ relock:
ret = ocfs2_inode_lock(inode, NULL, 1);
if (ret < 0) {
mlog_errno(ret);
- goto out_sems;
+ goto out;
}
ocfs2_inode_unlock(inode, 1);