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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>
This commit is contained in:
Oliver Neukum 2015-03-20 14:28:56 +01:00 committed by Greg Kroah-Hartman
parent 8373856d94
commit 76cb03e7d5
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/class/cdc-wdm.c
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@ -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) {