diff --git a/[refs] b/[refs]
index cc1c1349c744..84ba7ece53b8 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dad3cab3e063110b3ae3dc82a00e7aacd09b91ec
+refs/heads/master: ae8d4879667949fb49f0862b11ba680f671b2185
diff --git a/trunk/drivers/usb/serial/mos7840.c b/trunk/drivers/usb/serial/mos7840.c
index 809fb329eca5..107ff9e3ddad 100644
--- a/trunk/drivers/usb/serial/mos7840.c
+++ b/trunk/drivers/usb/serial/mos7840.c
@@ -1252,8 +1252,7 @@ static void mos7840_close(struct usb_serial_port *port)
 
 	if (mos7840_port->write_urb) {
 		/* if this urb had a transfer buffer already (old tx) free it */
-		if (mos7840_port->write_urb->transfer_buffer != NULL)
-			kfree(mos7840_port->write_urb->transfer_buffer);
+		kfree(mos7840_port->write_urb->transfer_buffer);
 		usb_free_urb(mos7840_port->write_urb);
 	}