2016-04-24 11:03:39 +00:00
|
|
|
From 12ddf64c85deb1d1261bdde36c128cd1a178a4d7 Mon Sep 17 00:00:00 2001
|
2016-04-07 19:25:10 +00:00
|
|
|
From: Eric Anholt <eric@anholt.net>
|
|
|
|
|
Date: Mon, 25 Jan 2016 13:05:00 -0800
|
2016-04-24 11:03:39 +00:00
|
|
|
Subject: [PATCH 194/304] drm/vc4: Validate that WAIT_BO padding is cleared.
|
2016-04-07 19:25:10 +00:00
|
|
|
|
|
|
|
|
This is ABI future-proofing if we ever want to extend the pad to mean
|
|
|
|
|
something.
|
|
|
|
|
|
|
|
|
|
Signed-off-by: Eric Anholt <eric@anholt.net>
|
|
|
|
|
---
|
|
|
|
|
drivers/gpu/drm/vc4/vc4_gem.c | 3 +++
|
|
|
|
|
1 file changed, 3 insertions(+)
|
|
|
|
|
|
|
|
|
|
--- a/drivers/gpu/drm/vc4/vc4_gem.c
|
|
|
|
|
+++ b/drivers/gpu/drm/vc4/vc4_gem.c
|
|
|
|
|
@@ -761,6 +761,9 @@ vc4_wait_bo_ioctl(struct drm_device *dev
|
|
|
|
|
struct drm_gem_object *gem_obj;
|
|
|
|
|
struct vc4_bo *bo;
|
|
|
|
|
|
|
|
|
|
+ if (args->pad != 0)
|
|
|
|
|
+ return -EINVAL;
|
|
|
|
|
+
|
|
|
|
|
gem_obj = drm_gem_object_lookup(dev, file_priv, args->handle);
|
|
|
|
|
if (!gem_obj) {
|
|
|
|
|
DRM_ERROR("Failed to look up GEM BO %d\n", args->handle);
|
