diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0483-drm-vc4-Fix-oops-when-userspace-hands-in-a-bad-BO.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.4/0483-drm-vc4-Fix-oops-when-userspace-hands-in-a-bad-BO.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0483-drm-vc4-Fix-oops-when-userspace-hands-in-a-bad-BO.patch b/target/linux/brcm2708/patches-4.4/0483-drm-vc4-Fix-oops-when-userspace-hands-in-a-bad-BO.patch new file mode 100644 index 0000000000..00b1511981 --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0483-drm-vc4-Fix-oops-when-userspace-hands-in-a-bad-BO.patch @@ -0,0 +1,26 @@ +From 6d3d23c57b33d76f0b4f01221593182c0de34ef4 Mon Sep 17 00:00:00 2001 +From: Eric Anholt <eric@anholt.net> +Date: Mon, 25 Jul 2016 16:10:04 -0700 +Subject: [PATCH] drm/vc4: Fix oops when userspace hands in a bad BO. + +We'd end up NULL pointer dereferencing because we didn't take the +error path out in the parent. Fixes igt vc4_lookup_fail test. + +Signed-off-by: Eric Anholt <eric@anholt.net> +Fixes: d5b1a78a772f ("drm/vc4: Add support for drawing 3D frames.") +Cc: stable@vger.kernel.org +--- + drivers/gpu/drm/vc4/vc4_gem.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/gpu/drm/vc4/vc4_gem.c ++++ b/drivers/gpu/drm/vc4/vc4_gem.c +@@ -585,7 +585,7 @@ vc4_cl_lookup_bos(struct drm_device *dev + + fail: + drm_free_large(handles); +- return 0; ++ return ret; + } + + static int |