From patchwork Tue Dec 15 02:38:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tian Tao X-Patchwork-Id: 11974171 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9B44AC4361B for ; Tue, 15 Dec 2020 08:07:20 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 24D372228A for ; Tue, 15 Dec 2020 08:07:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 24D372228A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=hisilicon.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EF4F489B60; Tue, 15 Dec 2020 08:06:56 +0000 (UTC) Received: from szxga05-in.huawei.com (szxga05-in.huawei.com [45.249.212.191]) by gabe.freedesktop.org (Postfix) with ESMTPS id C618D89DBC for ; Tue, 15 Dec 2020 02:38:33 +0000 (UTC) Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4Cw2VT2Dh3zhrph; Tue, 15 Dec 2020 10:37:53 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by DGGEMS404-HUB.china.huawei.com (10.3.19.204) with Microsoft SMTP Server id 14.3.498.0; Tue, 15 Dec 2020 10:38:25 +0800 From: Tian Tao To: , , , , , , Subject: [PATCH] dma-buf: system_heap: Use PTR_ERR_OR_ZERO() to simplify code Date: Tue, 15 Dec 2020 10:38:35 +0800 Message-ID: <1607999915-53034-1-git-send-email-tiantao6@hisilicon.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-CFilter-Loop: Reflected X-Mailman-Approved-At: Tue, 15 Dec 2020 08:06:55 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linaro-mm-sig@lists.linaro.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Fixes coccicheck warning: drivers/dma-buf/heaps/system_heap.c:437:1-3: WARNING: PTR_ERR_OR_ZERO can be used Signed-off-by: Tian Tao --- drivers/dma-buf/heaps/system_heap.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/dma-buf/heaps/system_heap.c b/drivers/dma-buf/heaps/system_heap.c index 17e0e9a..c5d8a40 100644 --- a/drivers/dma-buf/heaps/system_heap.c +++ b/drivers/dma-buf/heaps/system_heap.c @@ -434,10 +434,8 @@ static int system_heap_create(void) exp_info.priv = NULL; sys_heap = dma_heap_add(&exp_info); - if (IS_ERR(sys_heap)) - return PTR_ERR(sys_heap); - return 0; + return PTR_ERR_OR_ZERO(sys_heap); } module_init(system_heap_create); MODULE_LICENSE("GPL v2");