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=-2.6 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, USER_AGENT_GIT 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 D6E00ECDFAA for ; Wed, 18 Jul 2018 07:42:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6024A2075E for ; Wed, 18 Jul 2018 07:42:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=makelinux.com header.i=@makelinux.com header.b="dc2zEQae" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6024A2075E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=MakeLinux.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728626AbeGRITH (ORCPT ); Wed, 18 Jul 2018 04:19:07 -0400 Received: from bosmailout03.eigbox.net ([66.96.184.3]:52601 "EHLO bosmailout03.eigbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726258AbeGRITH (ORCPT ); Wed, 18 Jul 2018 04:19:07 -0400 X-Greylist: delayed 1820 seconds by postgrey-1.27 at vger.kernel.org; Wed, 18 Jul 2018 04:19:06 EDT Received: from bosmailscan15.eigbox.net ([10.20.15.15]) by bosmailout03.eigbox.net with esmtp (Exim) id 1ffgdJ-0008Dh-Jf for linux-kernel@vger.kernel.org; Wed, 18 Jul 2018 03:12:21 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=makelinux.com; s=dkim; h=Sender:Content-Transfer-Encoding:Content-Type: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=MwVAxiwtBuulvZHY62rZFJXaLGybXIeviVElkxCexHs=; b=dc2zEQaeEDiFpLPIZVKg/rO8Hm QqFtqDVsOMt9AB0ExMsAE6mTheLgoF3euWMCSxQamA+vadom1g79DbVVFlt5iFFEOOLWXYLH1SfHi /sUl/lOjGQmb+PR3NdAyJh6npVuiABJQqaEvBRK/Ia/hRtvwu9r0fnz7Sq7yYAN2Ejv3vKVr2qbyJ rcnFWld8b3OdHbJaW7nFIvebdit0vj0lcjwZGoI/VwXYYg1HcF+2zbgKtttsea98jmEarefnXGHYY 8TlUv1jgpA+Hnwj6JNlMLZ3RWPaW/Cu+o83Qq6BzJl1ZE8lyYjVUF/bGNcclnacgNHCpiNMJZ3/o6 j5CKj6Yg==; Received: from [10.115.3.31] (helo=bosimpout11) by bosmailscan15.eigbox.net with esmtp (Exim) id 1ffgdJ-0005no-GJ for linux-kernel@vger.kernel.org; Wed, 18 Jul 2018 03:12:21 -0400 Received: from bosauthsmtp08.yourhostingaccount.com ([10.20.18.8]) by bosimpout11 with id C7CJ1y0060ASroS017CMdt; Wed, 18 Jul 2018 03:12:21 -0400 X-Authority-Analysis: v=2.2 cv=PN5/wbiC c=1 sm=1 tr=0 a=BF10AaGwQl41phDg7WSPyA==:117 a=Dlu3QSMc4l9Ye4MXzL7CyA==:17 a=IkcTkHD0fZMA:10 a=R9QF1RCXAYgA:10 a=c2dxBoeyqOUA:10 a=dSbym95GAAAA:8 a=yZlAmEMEHh5XrD6tH_MA:9 a=QEXdDO2ut3YA:10 a=eg0O5KPjxGrMl0Mu5AXQ:22 Received: from [37.142.20.114] (port=12249 helo=localhost.localdomain) by bosauthsmtp08.eigbox.net with esmtpa (Exim) id 1ffgdG-0004XZ-1G; Wed, 18 Jul 2018 03:12:18 -0400 From: Constantine Shulyupin To: "Theodore Ts'o" , Arnd Bergmann , Greg Kroah-Hartman , linux-kernel@vger.kernel.org (open list) Cc: Constantine Shulyupin Subject: [PATCH] drivers/char/random.c: fix uninitialized value warning Date: Wed, 18 Jul 2018 10:11:52 +0300 Message-Id: <20180718071152.13265-1-const@MakeLinux.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-EN-UserInfo: 49eb4aefa70c42fb849786903cdd8376:931c98230c6409dcc37fa7e93b490c27 X-EN-AuthUser: smtp@makelinux.net X-EN-OrigIP: 37.142.20.114 X-EN-OrigHost: unknown Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Local variable t should be initialized by arch_get_random_int. Actually on failure of arch_get_random_int, value is not used. So, just keep the build clean with less warnings. warning: drivers/char/random.c: In function ‘write_pool.constprop’: drivers/char/random.c:1912:11: warning: ‘t’ may be used uninitialized in this function [-Wmaybe-uninitialized] Signed-off-by: Constantine Shulyupin --- drivers/char/random.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/char/random.c b/drivers/char/random.c index 283fe390e878..8e51846d0673 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1896,7 +1896,7 @@ static int write_pool(struct entropy_store *r, const char __user *buffer, size_t count) { size_t bytes; - __u32 t, buf[16]; + __u32 t = 0, buf[16]; const char __user *p = buffer; while (count > 0) { -- 2.17.1