X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fusb%2Fserial%2Fmct_u232.c;h=2849f8c320157e483504962b3ec16b13a0a4bd45;hb=92ca0dc5ee022e4c0e488177e1d8865a0778c6c2;hp=7aa01b95b1d45fce870ec7b1c7a419185ae5aeef;hpb=f34c25ed78df6d1297db2187bf5e58aaf6674183;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index 7aa01b95b1d4..2849f8c32015 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -549,9 +549,12 @@ static void mct_u232_close(struct usb_serial_port *port)
 {
 	dbg("%s port %d", __func__, port->number);
 
-	usb_serial_generic_close(port);
-	if (port->serial->dev)
+	if (port->serial->dev) {
+		/* shutdown our urbs */
+		usb_kill_urb(port->write_urb);
+		usb_kill_urb(port->read_urb);
 		usb_kill_urb(port->interrupt_in_urb);
+	}
 } /* mct_u232_close */