From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Allen Pais <allen.pais@oracle.com>,
Martin Wilck <mwilck@suse.com>,
Himanshu Madhani <hmadhani@marvell.com>,
"Martin K . Petersen" <martin.petersen@oracle.com>,
Sasha Levin <sashal@kernel.org>,
linux-scsi@vger.kernel.org
Subject: [PATCH AUTOSEL 5.3 35/81] scsi: qla2xxx: fix a potential NULL pointer dereference
Date: Wed, 30 Oct 2019 11:48:41 -0400 [thread overview]
Message-ID: <20191030154928.9432-35-sashal@kernel.org> (raw)
In-Reply-To: <20191030154928.9432-1-sashal@kernel.org>
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
next parent reply other threads:[~2019-10-30 15:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20191030154928.9432-1-sashal@kernel.org>
2019-10-30 15:48 ` Sasha Levin [this message]
2019-10-30 15:48 ` [PATCH AUTOSEL 5.3 36/81] scsi: scsi_dh_alua: handle RTPG sense code correctly during state transitions Sasha Levin
2019-10-30 15:48 ` [PATCH AUTOSEL 5.3 37/81] scsi: sni_53c710: fix compilation error Sasha Levin
2019-10-30 15:48 ` [PATCH AUTOSEL 5.3 38/81] scsi: fix kconfig dependency warning related to 53C700_LE_ON_BE Sasha Levin
2019-10-30 15:49 ` [PATCH AUTOSEL 5.3 57/81] scsi: target: core: Do not overwrite CDB byte 1 Sasha Levin
2019-10-30 15:49 ` [PATCH AUTOSEL 5.3 58/81] scsi: hpsa: add missing hunks in reset-patch Sasha Levin
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