[PATCH 3.19 044/177] drm/tegra: Use correct relocation target offsets

From: Greg Kroah-Hartman
Date: Mon Mar 16 2015 - 10:12:42 EST


3.19-stable review patch. If anyone has any objections, please let me know.

------------------

From: David Ung <davidu@xxxxxxxxxx>

commit 31f40f86526b71009973854c1dfe799ee70f7588 upstream.

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

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

---
drivers/gpu/drm/tegra/drm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- 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(s
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;



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