Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 5.3 35/81] scsi: qla2xxx: fix a potential NULL pointer dereference | Date | Wed, 30 Oct 2019 11:48:41 -0400 |
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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.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> 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, -- 2.20.1
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