From patchwork Mon Aug 7 02:32:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ziyang Xuan X-Patchwork-Id: 712433 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 032B2C0015E for ; Mon, 7 Aug 2023 02:32:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229652AbjHGCcS (ORCPT ); Sun, 6 Aug 2023 22:32:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41518 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229459AbjHGCcR (ORCPT ); Sun, 6 Aug 2023 22:32:17 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 59F561709 for ; Sun, 6 Aug 2023 19:32:16 -0700 (PDT) Received: from canpemm500006.china.huawei.com (unknown [172.30.72.56]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4RK0gC6p71zrSGK; Mon, 7 Aug 2023 10:31:03 +0800 (CST) Received: from localhost.localdomain (10.175.104.82) by canpemm500006.china.huawei.com (7.192.105.130) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Mon, 7 Aug 2023 10:32:12 +0800 From: Ziyang Xuan To: , , , CC: Subject: [PATCH] Bluetooth: Remove unnecessary NULL check before vfree() Date: Mon, 7 Aug 2023 10:32:06 +0800 Message-ID: <20230807023206.2128846-1-william.xuanziyang@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.104.82] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To canpemm500006.china.huawei.com (7.192.105.130) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org Get a coccinelle warning as follows: net/bluetooth/coredump.c:104:2-7: WARNING: NULL check before some freeing functions is not needed. Remove the unnecessary NULL check. Signed-off-by: Ziyang Xuan --- net/bluetooth/coredump.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/net/bluetooth/coredump.c b/net/bluetooth/coredump.c index d2d2624ec708..ec97a4bab1c9 100644 --- a/net/bluetooth/coredump.c +++ b/net/bluetooth/coredump.c @@ -100,8 +100,7 @@ void hci_devcd_reset(struct hci_dev *hdev) /* Call with hci_dev_lock only. */ static void hci_devcd_free(struct hci_dev *hdev) { - if (hdev->dump.head) - vfree(hdev->dump.head); + vfree(hdev->dump.head); hci_devcd_reset(hdev); }