From: David Ung <davidu@nvidia.com>
Date: Wed, 21 Jan 2015 02:37:35 +0000 (-0800)
Subject: drm/tegra: Use correct relocation target offsets
X-Git-Tag: v3.19.2~134
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=65fee0e0a451415eca251c1b19e63cc62b054c45;p=thirdparty%2Fkernel%2Fstable.git

drm/tegra: Use correct relocation target offsets

commit 31f40f86526b71009973854c1dfe799ee70f7588 upstream.

When copying a relocation from userspace, copy the correct target
offset.

Signed-off-by: David Ung <davidu@nvidia.com>
Fixes: 961e3beae3b2 ("drm/tegra: Make job submission 64-bit safe")
[treding@nvidia.com: provide a better commit message]
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index d4f827593dfa2..d8c9fb713ebb3 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -190,7 +190,7 @@ static int host1x_reloc_copy_from_user(struct host1x_reloc *dest,
 	if (err < 0)
 		return err;
 
-	err = get_user(dest->target.offset, &src->cmdbuf.offset);
+	err = get_user(dest->target.offset, &src->target.offset);
 	if (err < 0)
 		return err;