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Message-Id: <20120527010429.110525398@linuxfoundation.org>
Date: Sun, 27 May 2012 10:05:01 +0900
From: Greg KH <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
alan@...rguk.ukuu.org.uk, Oliver Neukum <oneukum@...e.de>
Subject: [ 38/94] USB: cdc-wdm: sanitize error returns
3.3-stable review patch. If anyone has any objections, please let me know.
------------------
From: Oliver Neukum <oliver@...kum.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@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.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
@@ -500,7 +500,7 @@ 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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