[PATCH 01/21] lpfc: Fix opps when ExpressLane is enabled

James Smart
2017-08-02T23:37:51Z

Null pointer dereference in lpfc_sli4_fof_intr_handler

The driver does not set up cq->assoc_qp for sli4_hba->oas_cq

Initialize cq->assoc_qp before accessing it

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
---
drivers/scsi/lpfc/lpfc_sli.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index e948ea05fd33..0615bf9def23 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -13557,6 +13557,9 @@ lpfc_sli4_fof_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe)
/* Save EQ associated with this CQ */
cq->assoc_qp = phba->sli4_hba.fof_eq;

+ /* Save EQ associated with this CQ */
+ cq->assoc_qp = phba->sli4_hba.fof_eq;
+
/* Process all the entries to the OAS CQ */
while ((cqe = lpfc_sli4_cq_get(cq))) {
workposted |= lpfc_sli4_fp_handle_cqe(phba, cq, cqe);
--
2.13.1