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authorWengang Wang <wen.gang.wang@oracle.com>2014-04-03 14:47:09 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-04-03 16:20:56 -0700
commite228f6439862359f9b26f9d62634e4fce180b54a (patch)
tree851d13a3446d8a00fad17470c2c33cd00b27c632 /fs
parent6fdb702d6262b18b1b41a35f1f81903b0a2bc2c9 (diff)
downloadop-kernel-dev-e228f6439862359f9b26f9d62634e4fce180b54a.zip
op-kernel-dev-e228f6439862359f9b26f9d62634e4fce180b54a.tar.gz
ocfs2: flock: drop cross-node lock when failed locally
ocfs2_do_flock() calls ocfs2_file_lock() to get the cross-node clock and then call flock_lock_file_wait() to compete with local processes. In case flock_lock_file_wait() failed, say -ENOMEM, clean up work is not done. This patch adds the cleanup --drop the cross-node lock which was just granted. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Wengang Wang <wen.gang.wang@oracle.com> Cc: Joel Becker <jlbec@evilplan.org> Reviewed-by: Mark Fasheh <mfasheh@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/ocfs2/locks.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ocfs2/locks.c b/fs/ocfs2/locks.c
index e57c804..6b6d092 100644
--- a/fs/ocfs2/locks.c
+++ b/fs/ocfs2/locks.c
@@ -82,6 +82,8 @@ static int ocfs2_do_flock(struct file *file, struct inode *inode,
}
ret = flock_lock_file_wait(file, fl);
+ if (ret)
+ ocfs2_file_unlock(file);
out:
mutex_unlock(&fp->fp_mutex);
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