netdev - [PATCH 02/33] can: gs_usb: gs_can

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Message-Id: <20191105163215.30194-3-mkl@pengutronix.de>
Date:   Tue,  5 Nov 2019 17:31:44 +0100
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, linux-can@...r.kernel.org,
        kernel@...gutronix.de, Navid Emamdoost <navid.emamdoost@...il.com>,
        linux-stable <stable@...r.kernel.org>,
        Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH 02/33] can: gs_usb: gs_can_open(): prevent memory leak

From: Navid Emamdoost <navid.emamdoost@...il.com>

In gs_can_open() if usb_submit_urb() fails the allocated urb should be
released.

Fixes: d08e973a77d1 ("can: gs_usb: Added support for the GS_USB CAN devices")
Cc: linux-stable <stable@...r.kernel.org>
Signed-off-by: Navid Emamdoost <navid.emamdoost@...il.com>
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
 drivers/net/can/usb/gs_usb.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c
index bd6eb9967630..2f74f6704c12 100644
--- a/drivers/net/can/usb/gs_usb.c
+++ b/drivers/net/can/usb/gs_usb.c
@@ -623,6 +623,7 @@ static int gs_can_open(struct net_device *netdev)
 					   rc);
 
 				usb_unanchor_urb(urb);
+				usb_free_urb(urb);
 				break;
 			}
 
-- 
2.24.0.rc1