Do not derefence the pointer without checking it
first. alloc_workqueue() can return a NULL pointer.
Reported-by: Semmle vulnerability research team <security-reports@xxxxxxxxxx>
Cc: Himanshu Madhani <hmadhani@xxxxxxxxxxx>
Signed-off-by: Daniel Wagner <dwagner@xxxxxxx>
---
drivers/scsi/qla2xxx/qla_os.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 16f9b6ed574a..040f82ccacba 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -3224,6 +3224,10 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
ha->wq = alloc_workqueue("qla2xxx_wq", 0, 0);
+ if (!ha->wq) {
+ ret = -ENOMEM;
+ goto probe_failed;
+ }
if (ha->isp_ops->initialize_adapter(base_vha)) {
ql_log(ql_log_fatal, base_vha, 0x00d6,
--
2.16.4
