Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp3093129pxj; Mon, 7 Jun 2021 01:59:52 -0700 (PDT) X-Google-Smtp-Source: ABdhPJz3kkzQzOmRfkw4sK1pn2xLkqeDA83Lhbv60mOXQm1R/zLU5lXPRGYZa45MS976xB3dp00I X-Received: by 2002:a17:906:ae85:: with SMTP id md5mr16787247ejb.301.1623056391894; Mon, 07 Jun 2021 01:59:51 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1623056391; cv=none; d=google.com; s=arc-20160816; b=x+2QNPU+CiH+cLLVpfGFPH78Q6oYuPtab3PBxJzAPagIeWrWIJGpw51AxksNyJ33ns yEzSQ9tMFgs9XMHrupYhtOrJjzYLSSqyEx841n8i6RudreK0V1pNIqpHNv6L2XBSFRgd 4F/59oDeLxjx8iBY6UllsdANb6mYmTvQUyqBfGxk342jcuIZxzH0NeVAnofVyME9q6We C3J/N7qUZ7OzXbUmMObtYJsQj3R9zspwBQ4kF+480UaKV+ddo558LilOY9uz/dhyCtfl yXIkhLAZjA+zuWuzOM8hLbP3Efsoo9caFVcZAh+bOmTLbtvo7iSmPG7faKsmZ1cL9C+d 11cA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=NN4a7K4bmuvxd9cg0hkTkF8jz/vpuSs69gCNGYynKkM=; b=BNTWvRz2ncQbVyQlqTtQPIDOkfUzbnFlUD6m6ewyZmElTCHmXu1tmghkhPUQFYulR0 RATXmxvReSC4052NVi0ICVSwJmGIb2kk5UhjZvquxyl+WFM+kJybmZgE98ImRrd/aASA ZjBLzJ96bN4XfM4g4eVcd4VZzYoJ0UoPPJOU0gZcrsMmZuYnSz+iSae3MbZ9edXfJqBD R4EQ2mgL8qUho2lpnjPkrbPNLk1YtlNl2zfaJB/PPx9foyREGqGYKXfvhisC0rTvorbx w2TrXmYKNU5sTvON5Jlq/COwvyXeqsUoUXJAYdJcbV5cIj6rh9Uodd5DnyS9lhBzc0tK 0f4Q== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id a13si5753184edy.153.2021.06.07.01.59.28; Mon, 07 Jun 2021 01:59:51 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230368AbhFGI73 (ORCPT + 99 others); Mon, 7 Jun 2021 04:59:29 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:3082 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230207AbhFGI72 (ORCPT ); Mon, 7 Jun 2021 04:59:28 -0400 Received: from dggeme760-chm.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4Fz6Zl1XmFzWsTP; Mon, 7 Jun 2021 16:52:47 +0800 (CST) Received: from localhost.localdomain (10.175.104.82) by dggeme760-chm.china.huawei.com (10.3.19.106) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Mon, 7 Jun 2021 16:57:35 +0800 From: Zheng Yongjun To: , , , , , CC: Zheng Yongjun Subject: [PATCH net-next] net: use BUG_ON instead of if condition followed by BUG Date: Mon, 7 Jun 2021 17:11:12 +0800 Message-ID: <20210607091112.2766745-1-zhengyongjun3@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.104.82] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggeme760-chm.china.huawei.com (10.3.19.106) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use BUG_ON instead of if condition followed by BUG in ip_frag_next. This issue was detected with the help of Coccinelle. Signed-off-by: Zheng Yongjun --- net/ipv4/ip_output.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index c3efc7d658f6..9d0a7e8beaa8 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -734,8 +734,7 @@ struct sk_buff *ip_frag_next(struct sk_buff *skb, struct ip_frag_state *state) /* * Copy a block of the IP datagram. */ - if (skb_copy_bits(skb, state->ptr, skb_transport_header(skb2), len)) - BUG(); + BUG_ON(skb_copy_bits(skb, state->ptr, skb_transport_header(skb2), len)); state->left -= len; /* -- 2.25.1