From patchwork Mon Jun 29 20:02:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shuah Khan X-Patchwork-Id: 11632033 X-Patchwork-Delegate: shuah@kernel.org Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9F33114E3 for ; Mon, 29 Jun 2020 20:02:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 84FA3206A5 for ; Mon, 29 Jun 2020 20:02:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593460954; bh=Ug3cNKJnHBGUb+VWWfyKVtee2sfQFS0RCEUa9nf5CuE=; h=From:To:Cc:Subject:Date:List-ID:From; b=X06nLiPvRmIFHoTH0Il9HGA69iS79BK8jINiNBHVyVdjN63T0Cytc/FQwg2K2bRo/ dUR8wdal1rdDCUEk7z87+5Z+k7xi+X+y1b5Q6zDGkBf9riIHkdQK9tmDmULb21o6lP JiJTw7DmqspoM9uv9ljertXBB4Jicc7vwsNpSKz4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732708AbgF2UCc (ORCPT ); Mon, 29 Jun 2020 16:02:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51636 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387655AbgF2UC1 (ORCPT ); Mon, 29 Jun 2020 16:02:27 -0400 Received: from mail-ot1-x342.google.com (mail-ot1-x342.google.com [IPv6:2607:f8b0:4864:20::342]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E4C4EC03E979 for ; Mon, 29 Jun 2020 13:02:26 -0700 (PDT) Received: by mail-ot1-x342.google.com with SMTP id w17so8751432otl.4 for ; Mon, 29 Jun 2020 13:02:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=w8kvw01QtTGGnsYhL3inZ/4k+CD9olJ2CUCa3W61+0s=; b=h1L1Z7dCrx47MCg268EgH0SJuOWCGNJVYK3LrZsWGdpQSI8cXVvV77KMlhMRwkXl+5 5h1ZObJbPaMgUG071GI4uGPvN/JpsOIq1j302pkxd768GBERzyTzZYqMyV0ncuu27CI3 uSwpLhh/RwPv04MiUhVNRC07ZflqVrx0sZYNU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=w8kvw01QtTGGnsYhL3inZ/4k+CD9olJ2CUCa3W61+0s=; b=UXs6MKuw+ub6WT5Hvqu1udPuE0DabdfroS6Mb+aOKy1pYiAA3VK42TyUnZkihnhfKu +ZFxqjcrjXmzz0D7Kd2Yq2SWyVst70Du8zETaq5EhEy6PYZ3ZWTLzHcD4ZXzr0pTfkeM lRTubpARzPHD1Liv1m5h6tZlLQIQkqfisD06LgGm2+LQQJCbxlLm+gwezumywnsegTB/ S4yk7jfMG4/1dIP1CwnI62j9Ew7PiFhMZd3skOM8WHN7zu+te2E7t2y+LRrcd+kDnySQ Q/b22ROCE08nNOHNhAIfVAHPIsZqpGAkFUHp2DXBjsiWPVn7ij335ZiK4exzu/tZZ61V 0ssA== X-Gm-Message-State: AOAM5335PUWFY0mIFjsr6QDFgnG6yAJC7FuieFQHIMxKyHgbYtpQMOJk k265J2GqW6dlq+Fo5c45jvlXmQ== X-Google-Smtp-Source: ABdhPJy2ZGQSMxPZ9QL1oqxm59wX+vcuGd8XulqX+fkUvR7Vkg2vUHQVJYME6VOTN++A2JPcd7OKJg== X-Received: by 2002:a9d:4810:: with SMTP id c16mr2708947otf.197.1593460946248; Mon, 29 Jun 2020 13:02:26 -0700 (PDT) Received: from shuah-t480s.internal (c-24-9-64-241.hsd1.co.comcast.net. [24.9.64.241]) by smtp.gmail.com with ESMTPSA id p73sm213895oop.36.2020.06.29.13.02.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Jun 2020 13:02:25 -0700 (PDT) From: Shuah Khan To: trenn@suse.com, shuah@kernel.org Cc: Shuah Khan , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] cpupower: Fix comparing pointer to 0 coccicheck warns Date: Mon, 29 Jun 2020 14:02:22 -0600 Message-Id: <20200629200223.27322-1-skhan@linuxfoundation.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Fix cocciccheck wanrns found by: make coccicheck MODE=report M=tools/power/cpupower/ tools/power/cpupower/utils/helpers/bitmask.c:29:12-13: WARNING comparing pointer to 0, suggest !E tools/power/cpupower/utils/helpers/bitmask.c:29:12-13: WARNING comparing pointer to 0 tools/power/cpupower/utils/helpers/bitmask.c:43:12-13: WARNING comparing pointer to 0 Signed-off-by: Shuah Khan --- tools/power/cpupower/utils/helpers/bitmask.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/power/cpupower/utils/helpers/bitmask.c b/tools/power/cpupower/utils/helpers/bitmask.c index 6c7932f5bd66..649d87cb8b0f 100644 --- a/tools/power/cpupower/utils/helpers/bitmask.c +++ b/tools/power/cpupower/utils/helpers/bitmask.c @@ -26,11 +26,11 @@ struct bitmask *bitmask_alloc(unsigned int n) struct bitmask *bmp; bmp = malloc(sizeof(*bmp)); - if (bmp == 0) + if (!bmp) return 0; bmp->size = n; bmp->maskp = calloc(longsperbits(n), sizeof(unsigned long)); - if (bmp->maskp == 0) { + if (!bmp->maskp) { free(bmp); return 0; } @@ -40,7 +40,7 @@ struct bitmask *bitmask_alloc(unsigned int n) /* Free `struct bitmask` */ void bitmask_free(struct bitmask *bmp) { - if (bmp == 0) + if (!bmp) return; free(bmp->maskp); bmp->maskp = (unsigned long *)0xdeadcdef; /* double free tripwire */