[PATCH] USB: rmmod pl2303 after -28

Wait for the scheduled work to finish before freeing memory, prevent oops.
http://bugzilla.kernel.org/show_bug.cgi?id=6596

Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 7a1cc1b..cbca340 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -162,6 +162,8 @@
 		}
 	}
 
+	flush_scheduled_work();		/* port->work */
+
 	usb_put_dev(serial->dev);
 
 	/* free up any memory that we allocated */