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| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2012-12-02 08:33:24 -0500 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-04-11 14:17:15 -0700 |
| commit | 5a25bf36b7394f11f2ff90c9e203639cd3dc041a (patch) | |
| tree | 6f1d4347dba9ca493f71a44093cc8152d9aa126a | |
| parent | d4a2618fa77b5e58ec15342972bd3505a1c3f551 (diff) | |
| download | linux-stable-5a25bf36b7394f11f2ff90c9e203639cd3dc041a.tar.gz linux-stable-5a25bf36b7394f11f2ff90c9e203639cd3dc041a.tar.bz2 linux-stable-5a25bf36b7394f11f2ff90c9e203639cd3dc041a.zip | |
[SCSI] lpfc: fix potential NULL pointer dereference in lpfc_sli4_rq_put()
The dereference to 'put_index' should be moved below the NULL test.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 74b67d98e952..d43faf34c1e2 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -438,11 +438,12 @@ lpfc_sli4_rq_put(struct lpfc_queue *hq, struct lpfc_queue *dq, struct lpfc_rqe *temp_hrqe; struct lpfc_rqe *temp_drqe; struct lpfc_register doorbell; - int put_index = hq->host_index; + int put_index; /* sanity check on queue memory */ if (unlikely(!hq) || unlikely(!dq)) return -ENOMEM; + put_index = hq->host_index; temp_hrqe = hq->qe[hq->host_index].rqe; temp_drqe = dq->qe[dq->host_index].rqe; |