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[2620:137:e000::1:18]) by mx.google.com with ESMTPS id k6-20020a17090ac50600b001bd14e01f2csi6394835pjt.26.2022.03.16.22.36.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Mar 2022 22:36:29 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 6126615E8B4; Wed, 16 Mar 2022 21:39:04 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240196AbiCQChV (ORCPT + 99 others); Wed, 16 Mar 2022 22:37:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46840 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231233AbiCQChU (ORCPT ); Wed, 16 Mar 2022 22:37:20 -0400 Received: from mail.meizu.com (edge07.meizu.com [112.91.151.210]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3160EFF6 for ; Wed, 16 Mar 2022 19:36:04 -0700 (PDT) Received: from IT-EXMB-1-125.meizu.com (172.16.1.125) by mz-mail11.meizu.com (172.16.1.15) with Microsoft SMTP Server (TLS) id 14.3.487.0; Thu, 17 Mar 2022 10:35:59 +0800 Received: from meizu.meizu.com (172.16.137.70) by IT-EXMB-1-125.meizu.com (172.16.1.125) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.14; Thu, 17 Mar 2022 10:35:56 +0800 From: Haowen Bai To: , , CC: , , "Haowen Bai" Subject: [PATCH] macintosh: adb: Fix warning comparing pointer to 0 Date: Thu, 17 Mar 2022 10:35:54 +0800 Message-ID: <1647484554-13258-1-git-send-email-baihaowen@meizu.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [172.16.137.70] X-ClientProxiedBy: IT-EXMB-1-126.meizu.com (172.16.1.126) To IT-EXMB-1-125.meizu.com (172.16.1.125) X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RDNS_NONE, SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Avoid pointer type value compared with 0 to make code clear. Signed-off-by: Haowen Bai --- drivers/macintosh/adb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c index 73b3961..996f310 100644 --- a/drivers/macintosh/adb.c +++ b/drivers/macintosh/adb.c @@ -478,7 +478,7 @@ adb_register(int default_id, int handler_id, struct adb_ids *ids, if ((adb_handler[i].original_address == default_id) && (!handler_id || (handler_id == adb_handler[i].handler_id) || try_handler_change(i, handler_id))) { - if (adb_handler[i].handler != 0) { + if (adb_handler[i].handler) { pr_err("Two handlers for ADB device %d\n", default_id); continue; @@ -673,7 +673,7 @@ static int adb_open(struct inode *inode, struct file *file) goto out; } state = kmalloc(sizeof(struct adbdev_state), GFP_KERNEL); - if (state == 0) { + if (!state) { ret = -ENOMEM; goto out; } -- 2.7.4