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Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0195-drm-vc4-Validate-that-WAIT_BO-padding-is-cleared.patch')
-rw-r--r--target/linux/brcm2708/patches-4.4/0195-drm-vc4-Validate-that-WAIT_BO-padding-is-cleared.patch25
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0195-drm-vc4-Validate-that-WAIT_BO-padding-is-cleared.patch b/target/linux/brcm2708/patches-4.4/0195-drm-vc4-Validate-that-WAIT_BO-padding-is-cleared.patch
new file mode 100644
index 0000000..ea2a610
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.4/0195-drm-vc4-Validate-that-WAIT_BO-padding-is-cleared.patch
@@ -0,0 +1,25 @@
+From 4b02ed240cad8575c197d01d083a10e398f768bd Mon Sep 17 00:00:00 2001
+From: Eric Anholt <eric@anholt.net>
+Date: Mon, 25 Jan 2016 13:05:00 -0800
+Subject: [PATCH 195/232] 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);