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[2620:137:e000::1:20]) by mx.google.com with ESMTP id c22-20020aa79536000000b0063b7790fde1si12318781pfp.284.2023.04.24.20.38.24; Mon, 24 Apr 2023 20:38:40 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233193AbjDYDY0 (ORCPT + 99 others); Mon, 24 Apr 2023 23:24:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49704 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230195AbjDYDYZ (ORCPT ); Mon, 24 Apr 2023 23:24:25 -0400 Received: from out30-100.freemail.mail.aliyun.com (out30-100.freemail.mail.aliyun.com [115.124.30.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 26EC6A8 for ; Mon, 24 Apr 2023 20:24:23 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R781e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018045168;MF=tianruidong@linux.alibaba.com;NM=1;PH=DS;RN=8;SR=0;TI=SMTPD_---0VgyI3jM_1682393057; Received: from localhost(mailfrom:tianruidong@linux.alibaba.com fp:SMTPD_---0VgyI3jM_1682393057) by smtp.aliyun-inc.com; Tue, 25 Apr 2023 11:24:21 +0800 From: Ruidong Tian To: tianruidong@linux.alibaba.com, coresight@lists.linaro.org Cc: suzuki.poulose@arm.com, mike.leach@linaro.org, leo.yan@linaro.org, alexander.shishkin@linux.intel.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] coresight: perf: Release Coresight path when alloc trace id failed Date: Tue, 25 Apr 2023 11:24:16 +0800 Message-Id: <20230425032416.125542-1-tianruidong@linux.alibaba.com> X-Mailer: git-send-email 2.33.1 MIME-Version: 1.0 X-Spam-Status: No, score=-9.9 required=5.0 tests=BAYES_00, ENV_AND_HDR_SPF_MATCH,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,UNPARSEABLE_RELAY, USER_IN_DEF_SPF_WL autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1764117887133447615?= X-GMAIL-MSGID: =?utf-8?q?1764117887133447615?= Error handler for etm_setup_aux can not release coresight path because cpu mask was cleared when coresight_trace_id_get_cpu_id failed. Call coresight_release_path function explicitly when alloc trace id filed. Signed-off-by: Ruidong Tian --- drivers/hwtracing/coresight/coresight-etm-perf.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hwtracing/coresight/coresight-etm-perf.c b/drivers/hwtracing/coresight/coresight-etm-perf.c index 711f451b6946..89e8ed214ea4 100644 --- a/drivers/hwtracing/coresight/coresight-etm-perf.c +++ b/drivers/hwtracing/coresight/coresight-etm-perf.c @@ -402,6 +402,7 @@ static void *etm_setup_aux(struct perf_event *event, void **pages, trace_id = coresight_trace_id_get_cpu_id(cpu); if (!IS_VALID_CS_TRACE_ID(trace_id)) { cpumask_clear_cpu(cpu, mask); + coresight_release_path(path); continue; }