diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0474-drm-amd-display-fix-NULL-pointer-in-dm_commit_surfac.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0474-drm-amd-display-fix-NULL-pointer-in-dm_commit_surfac.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0474-drm-amd-display-fix-NULL-pointer-in-dm_commit_surfac.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0474-drm-amd-display-fix-NULL-pointer-in-dm_commit_surfac.patch new file mode 100644 index 00000000..53349129 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0474-drm-amd-display-fix-NULL-pointer-in-dm_commit_surfac.patch @@ -0,0 +1,33 @@ +From 97f36aa13d56cb37198ac707674df58322789fc9 Mon Sep 17 00:00:00 2001 +From: Jerry Zuo <Jerry.Zuo@amd.com> +Date: Wed, 24 May 2017 11:01:32 -0400 +Subject: [PATCH 0474/4131] drm/amd/display: fix NULL pointer in + dm_commit_surfaces + +Check if adding surface is failed to prevent NULL pointer deref. + +Signed-off-by: Jerry Zuo <Jerry.Zuo@amd.com> +Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c +index 2f46859..3f6a6b8 100644 +--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c ++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c +@@ -2573,6 +2573,10 @@ static void amdgpu_dm_commit_surfaces(struct drm_atomic_state *state, + if (crtc == pcrtc) { + add_surface(dm->dc, crtc, plane, + &dc_surfaces_constructed[planes_count]); ++ if (dc_surfaces_constructed[planes_count] == NULL) { ++ dm_error("%s: Failed to add surface!\n", __func__); ++ continue; ++ } + dc_stream_attach = acrtc_attach->stream; + planes_count++; + } +-- +2.7.4 + |