From 433508ae30f13c0bf6905e576c42899a8535f0bb Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oliver@neukum.org>
Date: Thu, 10 Feb 2011 15:33:23 +0100
Subject: [PATCH] usb_wwan: data consistency in error case

As soon as the first error happens, the write must
be stopped, lest we send mutilated messages.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/usb_wwan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index 07cdc6cd106..84fe1b6ba11 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -262,7 +262,7 @@ int usb_wwan_write(struct tty_struct *tty, struct usb_serial_port *port,
 				spin_unlock_irqrestore(&intfdata->susp_lock,
 						       flags);
 				usb_autopm_put_interface_async(port->serial->interface);
-				continue;
+				break;
 			}
 		}