| Date | Sun, 27 May 2012 09:25:37 +0900 | From | Greg KH <> | Subject | [ 31/91] USB: cdc-wdm: sanitize error returns |
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3.4-stable review patch. If anyone has any objections, please let me know.
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From: Oliver Neukum <oliver@neukum.org>
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 <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- 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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