diff options
| author | Allen Pais <allen.pais@oracle.com> | 2019-09-18 18:36:58 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-10-10 05:29:13 +0200 |
| commit | 35a79a63517981a8aea395497c548776347deda8 (patch) | |
| tree | f45fa57b3d842265620130f6af537e0fe11dcb6a /drivers/scsi | |
| parent | scsi: MAINTAINERS: Update qla2xxx driver (diff) | |
| download | linux-35a79a63517981a8aea395497c548776347deda8.tar.xz linux-35a79a63517981a8aea395497c548776347deda8.zip | |
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>
Diffstat (limited to 'drivers/scsi')
| -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 ee47de9fbc05..e4d765fc03ea 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, |