From mboxrd@z Thu Jan 1 00:00:00 1970 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 59652C433EF for ; Wed, 23 Feb 2022 08:39:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239022AbiBWIkN (ORCPT ); Wed, 23 Feb 2022 03:40:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48340 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239007AbiBWIkL (ORCPT ); Wed, 23 Feb 2022 03:40:11 -0500 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1485A527D3; Wed, 23 Feb 2022 00:39:44 -0800 (PST) Received: from dggpemm500020.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4K3Tqy03xGzbbqN; Wed, 23 Feb 2022 16:35:10 +0800 (CST) Received: from dggpemm500007.china.huawei.com (7.185.36.183) by dggpemm500020.china.huawei.com (7.185.36.49) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Wed, 23 Feb 2022 16:39:40 +0800 Received: from huawei.com (10.175.103.91) by dggpemm500007.china.huawei.com (7.185.36.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Wed, 23 Feb 2022 16:39:39 +0800 From: Yang Yingliang To: , CC: , , , Subject: [PATCH net-next 2/2] net: marvell: prestera: Fix return value check in prestera_kern_fib_cache_find() Date: Wed, 23 Feb 2022 16:49:54 +0800 Message-ID: <20220223084954.1771075-2-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220223084954.1771075-1-yangyingliang@huawei.com> References: <20220223084954.1771075-1-yangyingliang@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpemm500007.china.huawei.com (7.185.36.183) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org rhashtable_lookup_fast() returns NULL pointer not ERR_PTR(), so it can return fib_node directly in prestera_kern_fib_cache_find(). Fixes: 4394fbcb78cf ("net: marvell: prestera: handle fib notifications") Reported-by: Hulk Robot Signed-off-by: Yang Yingliang --- drivers/net/ethernet/marvell/prestera/prestera_router.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/marvell/prestera/prestera_router.c b/drivers/net/ethernet/marvell/prestera/prestera_router.c index 54ebda61bfea..6c5618cf4f08 100644 --- a/drivers/net/ethernet/marvell/prestera/prestera_router.c +++ b/drivers/net/ethernet/marvell/prestera/prestera_router.c @@ -68,7 +68,7 @@ prestera_kern_fib_cache_find(struct prestera_switch *sw, fib_cache = rhashtable_lookup_fast(&sw->router->kern_fib_cache_ht, key, __prestera_kern_fib_cache_ht_params); - return IS_ERR(fib_cache) ? NULL : fib_cache; + return fib_cache; } static void -- 2.25.1