Commit a64e47ee authored Jul 27, 2018 by Anton Vasilyev Committed by Greg Kroah-Hartman Aug 09, 2018

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 <vasilyev@ispras.ru>
Cc: <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 4a60e543

drivers/net/can/usb/ems_usb.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1083,6 +1083,7 @@ 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);
		}
		}