From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A7186C77B7E for ; Thu, 1 Jun 2023 13:26:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233698AbjFAN01 (ORCPT ); Thu, 1 Jun 2023 09:26:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34344 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233731AbjFAN0L (ORCPT ); Thu, 1 Jun 2023 09:26:11 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 53C22E5B for ; Thu, 1 Jun 2023 06:26:01 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 3448264486 for ; Thu, 1 Jun 2023 13:26:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 51228C433EF; Thu, 1 Jun 2023 13:26:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1685625960; bh=R4iVn6V0Hf60Dm0295zMRXR1m1SnyI3xNV4sbk1n2lQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zYkIr3Vq7XNQZjyqzBQekt/9hu9hRvp7EIyE759cd63/E9QmVCLbCKy0iUoaCa5Fr ihHZ6GKPpxaA98oqCaDuA9aMmcJWqNCxbhic4+atfLacSOGKGvQz0dd8VBIvBX38w+ X6gw+DW04xBdHa++IuYbAreknA/nxEonkgQKeyqI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Ruidong Tian , Suzuki K Poulose , Sasha Levin Subject: [PATCH 6.3 04/45] coresight: perf: Release Coresight path when alloc trace id failed Date: Thu, 1 Jun 2023 14:21:00 +0100 Message-Id: <20230601131938.901307083@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230601131938.702671708@linuxfoundation.org> References: <20230601131938.702671708@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Ruidong Tian [ Upstream commit 04ac7f98b92181179ea84439642493f3826d04a2 ] 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. Fixes: 4ff1fdb4125c4 ("coresight: perf: traceid: Add perf ID allocation and notifiers") Signed-off-by: Ruidong Tian Signed-off-by: Suzuki K Poulose Link: https://lore.kernel.org/r/20230425032416.125542-1-tianruidong@linux.alibaba.com Signed-off-by: Sasha Levin --- 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 711f451b69469..89e8ed214ea49 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; } -- 2.39.2