From 2c30aba2b2894ceb2108f1cb2602015b121e9a81 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Tue, 18 Jun 2013 10:05:29 +0300
Subject: [PATCH] fbmem: return -EFAULT on copy_to_user() failure

copy_to_user() returns the number of bytes remaining to be copied.
put_user() returns -EFAULT on error.

This function ORs a bunch of stuff together and returns jumbled non-zero
values on error.  It should return -EFAULT.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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