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27 lines
787 B
Diff
27 lines
787 B
Diff
From c13643e0da4736d029d6323207a0c0bc49815a9a Mon Sep 17 00:00:00 2001
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From: Eric Anholt <eric@anholt.net>
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Date: Mon, 25 Jul 2016 16:10:04 -0700
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Subject: [PATCH] drm/vc4: Fix oops when userspace hands in a bad BO.
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We'd end up NULL pointer dereferencing because we didn't take the
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error path out in the parent. Fixes igt vc4_lookup_fail test.
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Signed-off-by: Eric Anholt <eric@anholt.net>
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Fixes: d5b1a78a772f ("drm/vc4: Add support for drawing 3D frames.")
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Cc: stable@vger.kernel.org
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---
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drivers/gpu/drm/vc4/vc4_gem.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/gpu/drm/vc4/vc4_gem.c
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+++ b/drivers/gpu/drm/vc4/vc4_gem.c
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@@ -585,7 +585,7 @@ vc4_cl_lookup_bos(struct drm_device *dev
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fail:
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drm_free_large(handles);
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- return 0;
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+ return ret;
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}
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static int
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