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| author | Allen Pais <allen.pais@oracle.com> | 2019-09-18 22:06:58 +0530 |
|---|---|---|
| committer | Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> | 2019-10-26 16:01:37 +0530 |
| commit | dd437bff1c927ba5a8078869835c8960d0687bb6 (patch) | |
| tree | 24b6affa74dab46cd787176477572e4bd715d3e3 | |
| parent | b4b61b224d12ef12ff21cc598acce0ee818903ab (diff) | |
| download | 96b-common-dd437bff1c927ba5a8078869835c8960d0687bb6.tar.gz | |
scsi: qla2xxx: fix a potential NULL pointer dereference
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.com
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>
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 3568031c6504..bcb1e8598888 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 (unlikely(!ha->wq)) { + ret = -ENOMEM; + goto probe_failed; + } if (ha->isp_ops->initialize_adapter(base_vha)) { ql_log(ql_log_fatal, base_vha, 0x00d6, |