From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752514AbcBPCai (ORCPT ); Mon, 15 Feb 2016 21:30:38 -0500 Received: from mail-yw0-f170.google.com ([209.85.161.170]:33366 "EHLO mail-yw0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752295AbcBPCag (ORCPT ); Mon, 15 Feb 2016 21:30:36 -0500 From: Insu Yun To: davem@davemloft.net, kuznet@ms2.inr.ac.ru, jmorris@namei.org, yoshfuji@linux-ipv6.org, kaber@trash.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: taesoo@gatech.edu, yeongjin.jang@gatech.edu, insu@gatech.edu, changwoo@gatech.edu, Insu Yun Subject: [PATCH] tcp: correctly crypto_alloc_hash return check Date: Mon, 15 Feb 2016 21:30:33 -0500 Message-Id: <1455589833-7571-1-git-send-email-wuninsu@gmail.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org crypto_alloc_hash never returns NULL Signed-off-by: Insu Yun --- net/ipv4/tcp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index fd17eec..a95aac1 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2946,7 +2946,7 @@ static void __tcp_alloc_md5sig_pool(void) struct crypto_hash *hash; hash = crypto_alloc_hash("md5", 0, CRYPTO_ALG_ASYNC); - if (IS_ERR_OR_NULL(hash)) + if (IS_ERR(hash)) return; per_cpu(tcp_md5sig_pool, cpu).md5_desc.tfm = hash; } -- 1.9.1