Unverified Commit 9cb5e056 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!12942 fix CVE-2024-47704 

Merge Pull Request from: @ci-robot 
 
PR sync from: Jinjiang Tu <tujinjiang@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/THSPJ75XJPJ7Y3VHTAGEOUONSV54I2J7/ 
Alex Hung (2):
  drm/amd/display: Check link_res->hpo_dp_link_enc before using it
  drm/amd/display: Check link_res->hpo_dp_link_enc before using it


-- 
2.34.1
 
https://gitee.com/src-openeuler/kernel/issues/IAYPKL 
 
Link:https://gitee.com/openeuler/kernel/pulls/12942

 

Reviewed-by: default avatarZhang Peng <zhangpeng362@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents 20dae581 bfd5a615

drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_dp.c

+12 −0
Original line number Diff line number Diff line
@@ -28,6 +28,8 @@ 
#include "dccg.h"

#include "clk_mgr.h"



#define DC_LOGGER link->ctx->logger



void set_hpo_dp_throttled_vcp_size(struct pipe_ctx *pipe_ctx,

		struct fixed31_32 throttled_vcp_size)

{
@@ -108,6 +110,11 @@ void enable_hpo_dp_link_output(struct dc_link *link, 
		enum clock_source_id clock_source,

		const struct dc_link_settings *link_settings)

{

	if (!link_res->hpo_dp_link_enc) {

		DC_LOG_ERROR("%s: invalid hpo_dp_link_enc\n", __func__);

		return;

	}



	if (link->dc->res_pool->dccg->funcs->set_symclk32_le_root_clock_gating)

		link->dc->res_pool->dccg->funcs->set_symclk32_le_root_clock_gating(

				link->dc->res_pool->dccg,
@@ -124,6 +131,11 @@ void disable_hpo_dp_link_output(struct dc_link *link, 
		const struct link_resource *link_res,

		enum signal_type signal)

{

	if (!link_res->hpo_dp_link_enc) {

		DC_LOG_ERROR("%s: invalid hpo_dp_link_enc\n", __func__);

		return;

	}



		link_res->hpo_dp_link_enc->funcs->link_disable(link_res->hpo_dp_link_enc);

		link_res->hpo_dp_link_enc->funcs->disable_link_phy(

				link_res->hpo_dp_link_enc, signal);