From nobody Sun May 10 21:19:03 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 14C09C433FE for ; Sun, 24 Apr 2022 08:27:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238679AbiDXI37 (ORCPT ); Sun, 24 Apr 2022 04:29:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43314 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236221AbiDXI35 (ORCPT ); Sun, 24 Apr 2022 04:29:57 -0400 Received: from mail.meizu.com (edge07.meizu.com [112.91.151.210]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 41D6D1AF24; Sun, 24 Apr 2022 01:26:51 -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; Sun, 24 Apr 2022 16:26:45 +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; Sun, 24 Apr 2022 16:26:43 +0800 From: Haowen Bai To: Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Shuah Khan CC: Haowen Bai , , , Subject: [PATCH] selftests/powerpc/pmu: Fix unsigned function returning negative constant Date: Sun, 24 Apr 2022 16:26:41 +0800 Message-ID: <1650788802-14402-1-git-send-email-baihaowen@meizu.com> X-Mailer: git-send-email 2.7.4 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. Signed-off-by: Haowen Bai Reviewed-by: Kajol Jain --- 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