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drm/amd/display: added NULL check at start of dc_validate_stream

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[Why]
prevent invalid memory access

[How]
check if dc and stream are NULL

Co-authored-by: winstang <winstang@amd.com>
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Signed-off-by: winstang <winstang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
winstang 2024-05-27 08:51:19 -04:00 committed by Alex Deucher
parent ec14eab37d
commit 26c56049cc
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/display/dc/core/dc_resource.c
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@ -4754,6 +4754,9 @@ void resource_build_bit_depth_reduction_params(struct dc_stream_state *stream,
enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state *stream)
{
if (dc == NULL || stream == NULL)
return DC_ERROR_UNEXPECTED;
struct dc_link *link = stream->link;
struct timing_generator *tg = dc->res_pool->timing_generators[0];
enum dc_status res = DC_OK;