resource_get_otg_master_for_stream() could return NULL, we should check the return value of 'otg_master' before it is used in resource_log_pipe_for_stream(). Signed-off-by: Ma Ke <make24@xxxxxxxxxxx> --- drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index 15819416a2f3..597ca9f369c6 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -2279,6 +2279,8 @@ void resource_log_pipe_topology_update(struct dc *dc, struct dc_state *state) state->stream_status[stream_idx].mall_stream_config.paired_stream); otg_master = resource_get_otg_master_for_stream( &state->res_ctx, state->streams[phantom_stream_idx]); + if (!otg_master) + continue; resource_log_pipe_for_stream(dc, state, otg_master, stream_idx); } } -- 2.25.1
