From ddef02de0d71d483ad4398393717cc0d53fc990a Mon Sep 17 00:00:00 2001 From: Wyatt Wood Date: Wed, 31 Jul 2019 15:52:46 -0400 Subject: [PATCH] drm/amd/display: add null checks before logging Adding NULL checks to various parameters in log_tf, to avoid nullptr errors Signed-off-by: Wyatt Wood Reviewed-by: Anthony Koo Acked-by: Bhawanpreet Lakha Acked-by: Nikola Cornij Signed-off-by: Alex Deucher --- .../gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c index f61f59ac1e00b..51c4c62b40e1e 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c @@ -1503,9 +1503,12 @@ dcn10_set_output_transfer_func(struct pipe_ctx *pipe_ctx, } else dpp->funcs->dpp_program_regamma_pwl(dpp, NULL, OPP_REGAMMA_BYPASS); - log_tf(stream->ctx, - stream->out_transfer_func, - dpp->regamma_params.hw_points_num); + if (stream != NULL && stream->ctx != NULL && + stream->out_transfer_func != NULL) { + log_tf(stream->ctx, + stream->out_transfer_func, + dpp->regamma_params.hw_points_num); + } return true; } -- 2.30.2