Unverified Commit da4af443 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!10990 drm/amd/display: Add NULL pointer check for kzalloc 

Merge Pull Request from: @ci-robot 
 
PR sync from: Guo Mengqi <guomengqi3@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/AACFXGEDYPA73SL5RC7C4SDWEWRPHP2H/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAGWWS 
 
Link:https://gitee.com/openeuler/kernel/pulls/10990

 

Reviewed-by: default avatarWeilong Chen <chenweilong@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents 80b88a17 414606b9

drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c

+8 −0
Original line number Diff line number Diff line
@@ -549,11 +549,19 @@ void dcn3_clk_mgr_construct( 
	dce_clock_read_ss_info(clk_mgr);



	clk_mgr->base.bw_params = kzalloc(sizeof(*clk_mgr->base.bw_params), GFP_KERNEL);

	if (!clk_mgr->base.bw_params) {

		BREAK_TO_DEBUGGER();

		return;

	}



	/* need physical address of table to give to PMFW */

	clk_mgr->wm_range_table = dm_helpers_allocate_gpu_mem(clk_mgr->base.ctx,

			DC_MEM_ALLOC_TYPE_GART, sizeof(WatermarksExternal_t),

			&clk_mgr->wm_range_table_addr);

	if (!clk_mgr->wm_range_table) {

		BREAK_TO_DEBUGGER();

		return;

	}

}



void dcn3_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr)

drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c

+3 −0
Original line number Diff line number Diff line
@@ -2373,6 +2373,9 @@ bool dcn30_validate_bandwidth(struct dc *dc, 


	BW_VAL_TRACE_COUNT();



	if (!pipes)

		goto validate_fail;



	out = dcn30_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel, fast_validate);



	if (pipe_cnt == 0)