Commit 803a4cb8 authored by Alex Hung's avatar Alex Hung Committed by Alex Deucher
Browse files

drm/amd/display: Check NULL before accessing a variable 



[WHAT]
Check NULL before accessing link, not after.

This is reported as a REVERSE_INULL error by Coverity.

Reviewed-by: default avatarAurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: default avatarAlex Hung <alex.hung@amd.com>
Signed-off-by: default avatarMatthew Stewart <matthew.stewart2@amd.com>
Tested-by: default avatarDan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 0a62732e

drivers/gpu/drm/amd/display/modules/power/power_helpers.c

+4 −1
Original line number Diff line number Diff line
@@ -984,10 +984,13 @@ void set_replay_frame_skip_number(struct dc_link *link, 
	uint32_t *frame_skip_number_array = NULL;

	uint32_t frame_skip_number = 0;



	if (link == NULL)

		return;



	if (false == link->replay_settings.config.frame_skip_supported)

		return;



	if (link == NULL || flicker_free_refresh_rate_mhz == 0 || coasting_vtotal_refresh_rate_mhz == 0)

	if (flicker_free_refresh_rate_mhz == 0 || coasting_vtotal_refresh_rate_mhz == 0)

		return;



	if (is_defer)