can: gs_usb: gs_can_open(): prevent memory leak

commit fb5be6a7b4863ecc44963bb80ca614584b6c7817 upstream.

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")
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c
index 9ba8753c7d47670d66180c633977039d1260e498..3da1be6b508b0d68fef125f345beadb45b0a3f87 100644 (file)
--- a/drivers/net/can/usb/gs_usb.c
+++ b/drivers/net/can/usb/gs_usb.c
@@ -617,6 +617,7 @@ static int gs_can_open(struct net_device *netdev)
                                           rc);
 
                                usb_unanchor_urb(urb);
+                               usb_free_urb(urb);
                                break;
                        }