diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0194-drm-vc4-Validate-that-WAIT_BO-padding-is-cleared.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0194-drm-vc4-Validate-that-WAIT_BO-padding-is-cleared.patch | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0194-drm-vc4-Validate-that-WAIT_BO-padding-is-cleared.patch b/target/linux/brcm2708/patches-4.4/0194-drm-vc4-Validate-that-WAIT_BO-padding-is-cleared.patch new file mode 100644 index 0000000000..01004226d5 --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0194-drm-vc4-Validate-that-WAIT_BO-padding-is-cleared.patch @@ -0,0 +1,25 @@ +From 12ddf64c85deb1d1261bdde36c128cd1a178a4d7 Mon Sep 17 00:00:00 2001 +From: Eric Anholt <eric@anholt.net> +Date: Mon, 25 Jan 2016 13:05:00 -0800 +Subject: [PATCH 194/304] drm/vc4: Validate that WAIT_BO padding is cleared. + +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); |