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Subject[PATCH] qla2xxx: fix a potential NULL pointer dereference
Date
alloc_workqueue is not checked for errors and as a result,
a potential NULL dereference could occur.

Signed-off-by: Allen Pais <allen.pais@oracle.com>
---
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 98e60a3..31714c9 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -3232,6 +3232,10 @@ static void qla2x00_iocb_work_fn(struct work_struct *work)
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,
--
1.9.1
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