From: Allen Pais allen.pais@oracle.com
[ Upstream commit 35a79a63517981a8aea395497c548776347deda8 ]
alloc_workqueue is not checked for errors and as a result a potential NULL dereference could occur.
Link: https://lore.kernel.org/r/1568824618-4366-1-git-send-email-allen.pais@oracle... Signed-off-by: Allen Pais allen.pais@oracle.com Reviewed-by: Martin Wilck mwilck@suse.com Acked-by: Himanshu Madhani hmadhani@marvell.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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 2835afbd2edc7..04cf6986eb8e6 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -3233,6 +3233,10 @@ 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 (unlikely(!ha->wq)) { + ret = -ENOMEM; + goto probe_failed; + }
if (ha->isp_ops->initialize_adapter(base_vha)) { ql_log(ql_log_fatal, base_vha, 0x00d6,