USB: cdc-wdm: sanitize error returns
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> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -531,7 +531,7 @@ static int wdm_flush(struct file *file, fl_owner_t id)
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dev_err(&desc->intf->dev, "Error in flush path: %d\n",
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desc->werr);
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return desc->werr;
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return usb_translate_errors(desc->werr);
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}
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static unsigned int wdm_poll(struct file *file, struct poll_table_struct *wait)
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