Commit ac78fa50 authored by Martin Leung's avatar Martin Leung Committed by Alex Deucher
Browse files

drm/amd/display: Add null check to dc_submit_i2c_oem 



[why]
dc_submit_i2c_oem could be called with ddc null

[how]
add null check and fail the call instead

Acked-by: default avatarAlan Liu <HaoPing.Liu@amd.com>
Signed-off-by: default avatarMartin Leung <martin.leung@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ac31a24d

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

+7 −4
Original line number Diff line number Diff line
@@ -3477,10 +3477,13 @@ bool dc_submit_i2c_oem( 
		struct i2c_command *cmd)

{

	struct ddc_service *ddc = dc->res_pool->oem_device;

	if (ddc)

		return dce_i2c_submit_command(

			dc->res_pool,

			ddc->ddc_pin,

			cmd);



	return false;

}



static bool link_add_remote_sink_helper(struct dc_link *dc_link, struct dc_sink *sink)