From nobody Tue Jun 23 18:19:21 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 AD335C433EF for ; Tue, 1 Mar 2022 02:52:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230318AbiCACxO (ORCPT ); Mon, 28 Feb 2022 21:53:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37512 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229636AbiCACxN (ORCPT ); Mon, 28 Feb 2022 21:53:13 -0500 Received: from mail-pl1-x62e.google.com (mail-pl1-x62e.google.com [IPv6:2607:f8b0:4864:20::62e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0EA7C48E67 for ; Mon, 28 Feb 2022 18:52:34 -0800 (PST) Received: by mail-pl1-x62e.google.com with SMTP id z11so3951702pla.7 for ; Mon, 28 Feb 2022 18:52:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id; bh=IN1VYmp44x+rwI/ogRY6xwm4hMfgB6hDpJsyZy4ABUc=; b=oveJUp9NBB0QCEzYV1EUcq27GIoMI7Iaxme9xLjbqi/1YNZLPYZG//JmNw37Eqi4Sx 4+vO4pkKKZELajiL0xDksZhRPSdVp8JSKrrZitUTZ9syXBuvJQ+Jdj0q1pCLlVc8nlIQ 0qbvcjoR1n1Xg4Y4JNqkWeAhvP62m6P68OuwvKwY/hO43hSRR03yIPueHVEP/jbR8CRG ypPW0ymK53Ep7XdcIa9z9IqN6irhW5ovflyTZ7FDQ2fwpkihOvMxUPIkLEAxrXpwVu/K 6HgGmX4sEqIj4y2pSkg48vog9s4k2EYYKop+qA2HU2VkgUfBjAhGaJJHL60eMYR9S06M unGQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=IN1VYmp44x+rwI/ogRY6xwm4hMfgB6hDpJsyZy4ABUc=; b=mv59oMGuc/ruXQIzutyJZ0FNm3hdJqvBKojdg0XSVjeH93uB4s4TmbCLGJOlXooU7E lZvpl1rgj0UKahZQmAV1jJP6jBi/v1Kd6tUbCg7nHfd4Q7zUnrMo2QPU3z3hSx/gZlcA AcSbex8kNzPKkKMP0QnrZbKhB1XZzXB7gMdFgcIB/YQpt3hGwg9py4AjXoHiAPrdTEnz Lc42b499MqGtejF71a4B+oA5N7RJACGFKvrdJ13wBk8smJImzSf01JTEc6B1NZBo5RRe XT7zIVBF+2TCV++dTDyOGztyeCWDRU6MmDkmAW9FT6Th/93Ttes/8hAn6xZWOvc4aE9/ odSg== X-Gm-Message-State: AOAM530Qce3IpGA/0WVg2O9bi5Mqz3HjN7hiXTpS0iwyZAMLasIN1T8k TQXC3rW6Qhq+wAahkOEwMqTmA1+Zxl4XN/q/qJ4= X-Google-Smtp-Source: ABdhPJzTmf8K3iQdP5ygZW0I6HLdCMqpmjofcOzuSt0kmKT1TsKFBexwJFF1CqNa/s0L9S3tUj+nTw== X-Received: by 2002:a17:90a:f0cb:b0:1bd:2372:c992 with SMTP id fa11-20020a17090af0cb00b001bd2372c992mr12875610pjb.71.1646103153570; Mon, 28 Feb 2022 18:52:33 -0800 (PST) Received: from meizu.meizu.com ([137.59.103.163]) by smtp.gmail.com with ESMTPSA id i128-20020a626d86000000b004f3f2929d7asm8778950pfc.217.2022.02.28.18.52.31 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 28 Feb 2022 18:52:33 -0800 (PST) From: Haowen Bai To: peterz@infradead.org, mingo@redhat.com, will@kernel.org Cc: longman@redhat.com, boqun.feng@gmail.com, linux-kernel@vger.kernel.org, Haowen Bai Subject: [PATCH] locking/rtmutex: Return true/false (not 1/0) from bool functions Date: Tue, 1 Mar 2022 10:52:28 +0800 Message-Id: <1646103148-21514-1-git-send-email-baihaowen88@gmail.com> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Return boolean values ("true" or "false") instead of 1 or 0 from bool functions. This fixes the following warnings from coccicheck: kernel/locking/rtmutex.c:375:9-10: WARNING: return of 0/1 in function '__wa= iter_less' with return type bool Signed-off-by: Haowen Bai --- kernel/locking/rtmutex.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c index 8555c4e..29db06a 100644 --- a/kernel/locking/rtmutex.c +++ b/kernel/locking/rtmutex.c @@ -372,24 +372,24 @@ static __always_inline bool __waiter_less(struct rb_n= ode *a, const struct rb_nod struct rt_mutex_waiter *bw =3D __node_2_waiter(b); =20 if (rt_mutex_waiter_less(aw, bw)) - return 1; + return true; =20 if (!build_ww_mutex()) - return 0; + return false; =20 if (rt_mutex_waiter_less(bw, aw)) - return 0; + return false; =20 /* NOTE: relies on waiter->ww_ctx being set before insertion */ if (aw->ww_ctx) { if (!bw->ww_ctx) - return 1; + return true; =20 return (signed long)(aw->ww_ctx->stamp - bw->ww_ctx->stamp) < 0; } =20 - return 0; + return false; } =20 static __always_inline void --=20 2.7.4