From: Alexey Khoroshilov <khoroshilov@ispras.ru>
Date: Fri, 10 Oct 2014 20:31:07 +0000 (+0400)
Subject: can: esd_usb2: fix memory leak on disconnect
X-Git-Tag: firefly_0821_release~3679^2~1103
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b248afd9f29ad863bbafa7ae71a488e547720b20;p=firefly-linux-kernel-4.4.55.git

can: esd_usb2: fix memory leak on disconnect

commit efbd50d2f62fc1f69a3dcd153e63ba28cc8eb27f upstream.

It seems struct esd_usb2 dev is not deallocated on disconnect. The patch adds
the missing deallocation.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Acked-by: Matthias Fuchs <matthias.fuchs@esd.eu>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c
index 6aa7b3266c80..d5455c760618 100644
--- a/drivers/net/can/usb/esd_usb2.c
+++ b/drivers/net/can/usb/esd_usb2.c
@@ -1132,6 +1132,7 @@ static void esd_usb2_disconnect(struct usb_interface *intf)
 			}
 		}
 		unlink_all_urbs(dev);
+		kfree(dev);
 	}
 }