Unverified Commit 48ec47c0 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!13898 drm/amd/display: Check link_index before accessing dc->links[ 

Merge Pull Request from: @ci-robot 
 
PR sync from: quzicheng <quzicheng@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/GCHX6ABY36YOD2QQBLC3C4IHDNU4QXSP/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAU9QT 
 
Link:https://gitee.com/openeuler/kernel/pulls/13898

 

Reviewed-by: default avatarLi Nan <linan122@huawei.com>
Signed-off-by: default avatarLi Nan <linan122@huawei.com>
parents fa56b881 75a1f402

drivers/gpu/drm/amd/display/dc/dc_link.h

+3 −0
Original line number Diff line number Diff line
@@ -177,6 +177,9 @@ const struct dc_link_status *dc_link_get_status(const struct dc_link *dc_link); 
 */

static inline struct dc_link *dc_get_link_at_index(struct dc *dc, uint32_t link_index)

{

	if (link_index >= MAX_PIPES * 2 + 2)

		return NULL;



	return dc->links[link_index];

}