Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp522328pxb; Wed, 27 Jan 2021 13:48:46 -0800 (PST) X-Google-Smtp-Source: ABdhPJw9QrJhJD1WCTj4w316j7VgWnl6+4QzTLBFdM5vXqORBxKMOZrlGJamEEaefUBEYv/kd5Ng X-Received: by 2002:a50:fd83:: with SMTP id o3mr10696546edt.359.1611784125834; Wed, 27 Jan 2021 13:48:45 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1611784125; cv=none; d=google.com; s=arc-20160816; b=H98G6+PKPN9G+/mX5Xa5Dx769BLCw4/ezdN7oM++rOJ0P7LWjc4LHABXj6WNtGjszb 7D27ukclZj3xWW6Czz60rWkswwN34ROgYMx8sPHrUfbVHP6+F/gyLok05NkK7k6P5efa VpLkhDr11XRCN3/NHl9bh+b5dk9gu64Tb+KfnMd09SunDuHOKYOQESSmUlx9HEv9ziVv WtBR7iht1osi4Ap/gbVPPARj8FvrMf7blMNHtKtiNpqMNXGPwkKex9JqfxW1BHdLmNM2 ruvX2wBFfCi3DAE46kxUf0UWJ+lmYp+wogEKsDhd2p4A9HROcuhZ7CrTQXEOjU43a7Yu XrdQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:message-id:date:subject:cc:to:from; bh=aHMPrToSrzz8I/2vZns8AWSU1aWGMQgbTYulaqrDAHs=; b=w+Xm0yHd0AugbyKBKq/F7d/q1XC7I09LYZo2n9Qhfo3ALoNLiW4e49oG9NhCFzZQ4/ vfm2Fmbf6EOY7ieXcGGJieaXw/lNSpJkOj2dznzGaK+e1Cpc8fdUPPSpEWkkoB8Pe2oQ aE9RRunWd4TxkGzA+Cn9D2grt+Rf5LctLPZgW7qdFSBTXRxnB9NbcpXnxTbNm6ha5UbI tbIx2wHbIwEtrIOCwblWXJNYyMoxJNOpPJdzLH32YvlncU3YZrC5WYS2IuvQCiv2NATL pA/6WGeTTT3kP8baVzE8Us3YmHdabBqWfBzZaJzF2Uy94ClrzoTjozE4qBDxD7d2mbid 9K3Q== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id r17si1715362eds.506.2021.01.27.13.48.21; Wed, 27 Jan 2021 13:48:45 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235079AbhA0J3j (ORCPT + 99 others); Wed, 27 Jan 2021 04:29:39 -0500 Received: from out30-45.freemail.mail.aliyun.com ([115.124.30.45]:49943 "EHLO out30-45.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235211AbhA0J1A (ORCPT ); Wed, 27 Jan 2021 04:27:00 -0500 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R141e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04423;MF=abaci-bugfix@linux.alibaba.com;NM=1;PH=DS;RN=4;SR=0;TI=SMTPD_---0UN1hCDM_1611739567; Received: from j63c13417.sqa.eu95.tbsite.net(mailfrom:abaci-bugfix@linux.alibaba.com fp:SMTPD_---0UN1hCDM_1611739567) by smtp.aliyun-inc.com(127.0.0.1); Wed, 27 Jan 2021 17:26:16 +0800 From: Abaci Team To: linux@armlinux.org.uk Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Abaci Team Subject: [PATCH] ARM: dma-mapping: remove redundant NULL check Date: Wed, 27 Jan 2021 17:26:06 +0800 Message-Id: <1611739566-121251-1-git-send-email-abaci-bugfix@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fix below warnings reported by coccicheck: ./arch/arm/common/dmabounce.c:565:2-18: WARNING: NULL check before some freeing functions is not needed. Reported-by: Abaci Robot Suggested-by: Yang Li Signed-off-by: Abaci Team --- arch/arm/common/dmabounce.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c index 7996c04..bf1218a 100644 --- a/arch/arm/common/dmabounce.c +++ b/arch/arm/common/dmabounce.c @@ -561,10 +561,8 @@ void dmabounce_unregister_dev(struct device *dev) BUG(); } - if (device_info->small.pool) - dma_pool_destroy(device_info->small.pool); - if (device_info->large.pool) - dma_pool_destroy(device_info->large.pool); + dma_pool_destroy(device_info->small.pool); + dma_pool_destroy(device_info->large.pool); #ifdef STATS if (device_info->attr_res == 0) -- 1.8.3.1