USB: mos7840: fix urb leak at release

commit 65a4cdbb170e4ec1a7fa0e94936d47e24a17b0e8 upstream.

Make sure control urb is freed at release.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index fd2463e6bd439115da0c8739a681e8bb8ef6d8b2..d79760c20f51b8caa23c4950b5306c08b6cfe099 100644 (file)
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -2662,6 +2662,7 @@ static void mos7840_release(struct usb_serial *serial)
                mos7840_port = mos7840_get_port_private(serial->port[i]);
                dbg("mos7840_port %d = %p", i, mos7840_port);
                if (mos7840_port) {
+                       usb_free_urb(mos7840_port->control_urb);
                        kfree(mos7840_port->ctrl_buf);
                        kfree(mos7840_port->dr);
                        kfree(mos7840_port);