3.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Oliver Neukum <[email protected]>

commit 24a85bae5da2b43fed423859c09c5a81ab359473 upstream.

wdm_flush() returns unsanitized USB error codes.
They must be cleaned up to before being anded to user space

Signed-off-by: Oliver Neukum <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 drivers/usb/class/cdc-wdm.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -534,7 +534,7 @@ static int wdm_flush(struct file *file,
                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)


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