diff options
| author | James Smart <jsmart2021@gmail.com> | 2017-03-04 09:30:22 -0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-03-06 23:04:22 -0500 |
| commit | 7aabe84b8a1bb7c3f75fb6a23dc96f8999bdcc8f (patch) | |
| tree | c33a898cf065f3ed2c6d72b0c836c0416caeea6d /drivers/scsi | |
| parent | 70e5afd57d6d97d69bf5fd0187c2bb5a79990504 (diff) | |
| download | linux-7aabe84b8a1bb7c3f75fb6a23dc96f8999bdcc8f.tar.bz2 | |
scsi: lpfc: sanity check hrq is null before dereferencing it
From: Colin Ian King <colin.king@canonical.com>
The sanity check for hrq should be moved to before the deference
of hrq to ensure we don't perform a null pointer deference.
Detected by CoverityScan, CID#1411650 ("Dereference before null check")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index d8d8693040ac..562a5286bc47 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -15185,17 +15185,17 @@ lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp, drq = drqp[idx]; cq = cqp[idx]; - if (hrq->entry_count != drq->entry_count) { - status = -EINVAL; - goto out; - } - /* sanity check on queue memory */ if (!hrq || !drq || !cq) { status = -ENODEV; goto out; } + if (hrq->entry_count != drq->entry_count) { + status = -EINVAL; + goto out; + } + if (idx == 0) { bf_set(lpfc_mbx_rq_create_num_pages, &rq_create->u.request, |