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: 344713 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=-16.7 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 390CBC4361B for ; Tue, 15 Dec 2020 02:39:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EF280207A2 for ; Tue, 15 Dec 2020 02:39:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728253AbgLOCj3 (ORCPT ); Mon, 14 Dec 2020 21:39:29 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:9529 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727820AbgLOCjO (ORCPT ); Mon, 14 Dec 2020 21:39:14 -0500 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: , , , , , , CC: , , , 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 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org 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");