Unverified Commit ba32a8e0 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!9228 coresight: tmc-etf: Fix global-out-of-bounds in tmc_update_etf_buffer() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Chen Zhongjin <chenzhongjin@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/EA4HC76PKIAO35KZABQKCIIIOCALZLQP/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9R4FH 
 
Link:https://gitee.com/openeuler/kernel/pulls/9228

 

Reviewed-by: default avatarYe Weihua <yeweihua4@huawei.com>
Reviewed-by: default avatarXu Kuohai <xukuohai@huawei.com>
Reviewed-by: default avatarLiu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents 558e546e 279fab12

drivers/hwtracing/coresight/coresight-tmc-etf.c

+1 −1
Original line number Diff line number Diff line
@@ -472,7 +472,7 @@ static void tmc_update_etf_buffer(struct coresight_device *csdev, 
		buf_ptr = buf->data_pages[cur] + offset;

		*buf_ptr = readl_relaxed(drvdata->base + TMC_RRD);



		if (lost && *barrier) {

		if (lost && i < CORESIGHT_BARRIER_PKT_SIZE) {

			*buf_ptr = *barrier;

			barrier++;

		}