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    Subject[PATCH 48/58] staging: lustre: lmv: Ensure lmv_intent_lookup cleans up reqp
    Date
    From: Nathaniel Clark <nathaniel.l.clark@intel.com>

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

    Signed-off-by: Nathaniel Clark <nathaniel.l.clark@intel.com>
    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@intel.com>
    Reviewed-by: Bob Glossman <bob.glossman@intel.com>
    Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
    Signed-off-by: James Simmons <jsimmons@infradead.org>
    ---
    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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