Commit 26c56049 authored by winstang's avatar winstang Committed by Alex Deucher
Browse files

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



[Why]
prevent invalid memory access

[How]
check if dc and stream are NULL

Co-authored-by: default avatarwinstang <winstang@amd.com>
Reviewed-by: default avatarAlvin Lee <alvin.lee2@amd.com>
Acked-by: default avatarZaeem Mohamed <zaeem.mohamed@amd.com>
Signed-off-by: default avatarwinstang <winstang@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ec14eab3

drivers/gpu/drm/amd/display/dc/core/dc_resource.c

+3 −0
Original line number Diff line number Diff line
@@ -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;