[PATCH 48/58] staging: lustre: lmv: Ensure lmv_intent_lookup cleans up reqp

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From: Nathaniel Clark <nathaniel.l.clark@xxxxxxxxx>

Ensure there aren't invalid pointers hanging around after
ptlrpc_req_finished is called.

Signed-off-by: Nathaniel Clark <nathaniel.l.clark@xxxxxxxxx>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4826
Reviewed-on: http://review.whamcloud.com/9841
Reviewed-by: John L. Hammond <john.hammond@xxxxxxxxx>
Reviewed-by: Bob Glossman <bob.glossman@xxxxxxxxx>
Reviewed-by: Oleg Drokin <oleg.drokin@xxxxxxxxx>
Signed-off-by: James Simmons <jsimmons@xxxxxxxxxxxxx>
---
 drivers/staging/lustre/lustre/lmv/lmv_intent.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/staging/lustre/lustre/lmv/lmv_intent.c b/drivers/staging/lustre/lustre/lmv/lmv_intent.c
index a38d343..d7e165f 100644
--- a/drivers/staging/lustre/lustre/lmv/lmv_intent.c
+++ b/drivers/staging/lustre/lustre/lmv/lmv_intent.c
@@ -464,6 +464,9 @@ static int lmv_intent_lookup(struct obd_export *exp,
 			return PTR_ERR(tgt);
 
 		ptlrpc_req_finished(*reqp);
+		it->it_request = NULL;
+		*reqp = NULL;
+
 		CDEBUG(D_INODE, "For migrating dir, try target dir "DFID"\n",
 		       PFID(&lsm->lsm_md_oinfo[1].lmo_fid));
 
-- 
1.7.1

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