From 0df8731c9960e20531470e101dca0c646497eba3 Mon Sep 17 00:00:00 2001 From: Anton Vasilyev Date: Fri, 27 Jul 2018 18:50:42 +0300 Subject: [PATCH] can: ems_usb: Fix memory leak on ems_usb_disconnect() commit 72c05f32f4a5055c9c8fe889bb6903ec959c0aad upstream. ems_usb_probe() allocates memory for dev->tx_msg_buffer, but there is no its deallocation in ems_usb_disconnect(). Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Anton Vasilyev Signed-off-by: Marc Kleine-Budde Signed-off-by: Ben Hutchings --- drivers/net/can/usb/ems_usb.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c index a5ede52f1a8f..76500184c54b 100644 --- a/drivers/net/can/usb/ems_usb.c +++ b/drivers/net/can/usb/ems_usb.c @@ -1084,6 +1084,7 @@ static void ems_usb_disconnect(struct usb_interface *intf) usb_free_urb(dev->intr_urb); kfree(dev->intr_in_buffer); + kfree(dev->tx_msg_buffer); } }