cdc-wdm: return correct error codes

Lieing to user space is wrong. The real reason for a failure
to write should be returned to user space.

Signed-off-by: Oliver Neukum <oneukum@suse.de>0
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index a051a7a2b1bd..f053b41fae7f 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -339,7 +339,7 @@ static ssize_t wdm_write
         desc->werr = 0;
         spin_unlock_irq(&desc->iuspin);
         if (we < 0)
-                return -EIO;
+                return usb_translate_errors(we);
 
         buf = kmalloc(count, GFP_KERNEL);
         if (!buf) {