From nobody Sun May 10 19:14:38 2026 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 4F328C433FE for ; Tue, 26 Apr 2022 06:46:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343516AbiDZGtg (ORCPT ); Tue, 26 Apr 2022 02:49:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44270 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237092AbiDZGtf (ORCPT ); Tue, 26 Apr 2022 02:49:35 -0400 Received: from mail.meizu.com (edge07.meizu.com [112.91.151.210]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D3F2D186FD; Mon, 25 Apr 2022 23:46:27 -0700 (PDT) Received: from IT-EXMB-1-125.meizu.com (172.16.1.125) by mz-mail11.meizu.com (172.16.1.15) with Microsoft SMTP Server (TLS) id 14.3.487.0; Tue, 26 Apr 2022 14:46:27 +0800 Received: from meizu.meizu.com (172.16.137.70) by IT-EXMB-1-125.meizu.com (172.16.1.125) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.14; Tue, 26 Apr 2022 14:46:25 +0800 From: Haowen Bai To: CC: , , , , , , , Subject: [PATCH V2] selftests/powerpc/pmu: Fix unsigned function returning negative constant Date: Tue, 26 Apr 2022 14:46:23 +0800 Message-ID: <1650955583-29581-1-git-send-email-baihaowen@meizu.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <0e4b0f8e-6c45-8d14-303f-2168f5004a12@linux.ibm.com> References: <0e4b0f8e-6c45-8d14-303f-2168f5004a12@linux.ibm.com> MIME-Version: 1.0 X-Originating-IP: [172.16.137.70] X-ClientProxiedBy: IT-EXMB-1-126.meizu.com (172.16.1.126) To IT-EXMB-1-125.meizu.com (172.16.1.125) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The function __perf_reg_mask has an unsigned return type, but returns a negative constant to indicate an error condition. So we change unsigned to int. Fixes: 5f6c3061af7c ("selftests/powerpc/pmu: Add utility functions to post process the mmap buffer") Signed-off-by: Haowen Bai --- V1->V2: add fix tag. tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c b/to= ols/testing/selftests/powerpc/pmu/sampling_tests/misc.c index fca054bbc094..c01a31d5f4ee 100644 --- a/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c +++ b/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c @@ -274,7 +274,7 @@ u64 *get_intr_regs(struct event *event, void *sample_bu= ff) return intr_regs; } =20 -static const unsigned int __perf_reg_mask(const char *register_name) +static const int __perf_reg_mask(const char *register_name) { if (!strcmp(register_name, "R0")) return 0; --=20 2.7.4