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

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Message-Id: <20150316140815.105566938@linuxfoundation.org>
Date:	Mon, 16 Mar 2015 15:07:31 +0100
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, David Ung <davidu@...dia.com>,
	Thierry Reding <treding@...dia.com>
Subject: [PATCH 3.19 044/177] drm/tegra: Use correct relocation target offsets

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

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

From: David Ung <davidu@...dia.com>

commit 31f40f86526b71009973854c1dfe799ee70f7588 upstream.

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

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

---
 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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