USB: cdc-wdm: sanitize error returns
authorOliver Neukum <oliver@neukum.org>
Fri, 27 Apr 2012 12:23:54 +0000 (14:23 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 30 Apr 2012 01:53:41 +0000 (21:53 -0400)
wdm_flush() returns unsanitized USB error codes.
They must be cleaned up to before being anded to user space

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/class/cdc-wdm.c

index c6f6560..b29a981 100644 (file)
@@ -531,7 +531,7 @@ static int wdm_flush(struct file *file, fl_owner_t id)
                dev_err(&desc->intf->dev, "Error in flush path: %d\n",
                        desc->werr);
 
-       return desc->werr;
+       return usb_translate_errors(desc->werr);
 }
 
 static unsigned int wdm_poll(struct file *file, struct poll_table_struct *wait)