From: Lai Siyao <lai.si...@intel.com>

During statahead file may be recreated, though this is rare case,
current code will leak the lock, this patch will release lock in
this case.

Signed-off-by: Lai Siyao <lai.si...@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7232
Reviewed-on: http://review.whamcloud.com/16841
Reviewed-by: Fan Yong <fan.y...@intel.com>
Reviewed-by: John L. Hammond <john.hamm...@intel.com>
Reviewed-by: Oleg Drokin <oleg.dro...@intel.com>
Signed-off-by: James Simmons <jsimm...@infradead.org>
---
 drivers/staging/lustre/lustre/llite/statahead.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/staging/lustre/lustre/llite/statahead.c 
b/drivers/staging/lustre/lustre/llite/statahead.c
index 0677513..b43955f 100644
--- a/drivers/staging/lustre/lustre/llite/statahead.c
+++ b/drivers/staging/lustre/lustre/llite/statahead.c
@@ -1475,6 +1475,7 @@ static int revalidate_statahead_dentry(struct inode *dir,
 
                                alias = ll_splice_alias(inode, *dentryp);
                                if (IS_ERR(alias)) {
+                                       ll_intent_release(&it);
                                        rc = PTR_ERR(alias);
                                        goto out_unplug;
                                }
@@ -1493,6 +1494,7 @@ static int revalidate_statahead_dentry(struct inode *dir,
                                       *dentryp,
                                       PFID(ll_inode2fid((*dentryp)->d_inode)),
                                       PFID(ll_inode2fid(inode)));
+                               ll_intent_release(&it);
                                rc = -ESTALE;
                                goto out_unplug;
                        }
-- 
1.7.1

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