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 X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5C3D4C43331 for ; Mon, 30 Mar 2020 02:44:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3592320675 for ; Mon, 30 Mar 2020 02:44:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729180AbgC3Co5 (ORCPT ); Sun, 29 Mar 2020 22:44:57 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:33820 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728865AbgC3Co5 (ORCPT ); Sun, 29 Mar 2020 22:44:57 -0400 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id CBE2E902661E7DEFD10C; Mon, 30 Mar 2020 10:44:51 +0800 (CST) Received: from [127.0.0.1] (10.173.220.183) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.487.0; Mon, 30 Mar 2020 10:44:44 +0800 To: , , , , , , , CC: Mingfangsen , linfeilong , From: Zhiqiang Liu Subject: [PATCH] signal: use kill_proc_info instead of kill_pid_info in kill_something_info Message-ID: <80236965-f0b5-c888-95ff-855bdec75bb3@huawei.com> Date: Mon, 30 Mar 2020 10:44:43 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.173.220.183] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org signal.c provides kill_proc_info, we can use it instead of kill_pid_info in kill_something_info func gracefully. Signed-off-by: Zhiqiang Liu --- kernel/signal.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/kernel/signal.c b/kernel/signal.c index 9ad8dea93dbb..33c70f9f1728 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -1552,12 +1552,8 @@ static int kill_something_info(int sig, struct kernel_siginfo *info, pid_t pid) { int ret; - if (pid > 0) { - rcu_read_lock(); - ret = kill_pid_info(sig, info, find_vpid(pid)); - rcu_read_unlock(); - return ret; - } + if (pid > 0) + return kill_proc_info(sig, info, pid); /* -INT_MIN is undefined. Exclude this case to avoid a UBSAN warning */ if (pid == INT_MIN) -- 2.19.1