From f6ae676753658f9fb4b42d28287b4576eca89b79 Mon Sep 17 00:00:00 2001
From: Wang <anguwang@amd.com>
Date: Tue, 15 Jun 2021 17:22:57 -0400
Subject: drm/amd/display: Add null checks
Git-commit: 0713921b4ced1bf9ab8fa0bf74769f98981552ad
Patch-mainline: v5.15-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
Added NULL checks before two problematic statements
Signed-off-by: Wang <anguwang@amd.com>
Reviewed-by: Martin Leung <Martin.Leung@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/display/dc/core/dc_stream.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
index 45931ee14a6e..327fd1909c51 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
@@ -221,6 +221,9 @@ struct dc_stream_status *dc_stream_get_status_from_state(
{
uint8_t i;
+ if (state == NULL)
+ return NULL;
+
for (i = 0; i < state->stream_count; i++) {
if (stream == state->streams[i])
return &state->stream_status[i];
--
2.38.1