From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
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@xxxxxxxxxxxxx>
---
drivers/scsi/lpfc/lpfc_sli.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index e43e5e2..1fba5dc 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,
--
2.10.2
