From: Dan Carpenter <error27@gmail.com>
Date: Fri, 4 Jun 2010 10:24:13 +0000 (+0200)
Subject: drm/vmwgfx: return -EFAULT for copy_to_user errors
X-Git-Tag: v2.6.35-rc3~23^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9b8eb4d14767209c83087063352cd04266ecdfd1;p=pandora-kernel.git

drm/vmwgfx: return -EFAULT for copy_to_user errors

copy_to/from_user() returns the number of bytes remaining to be copied
but we want to return a negative error code here.  This gets returned to
userspace.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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