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=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 445ADC2D0F4 for ; Wed, 8 Apr 2020 21:32:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1EC9A206C0 for ; Wed, 8 Apr 2020 21:32:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730643AbgDHVc6 (ORCPT ); Wed, 8 Apr 2020 17:32:58 -0400 Received: from mga14.intel.com ([192.55.52.115]:53315 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728005AbgDHVc5 (ORCPT ); Wed, 8 Apr 2020 17:32:57 -0400 IronPort-SDR: cYgaulDCEzTlSFdPYfF+BzxtH07s0N1DEMmXZhiSWDvkoREAQjiCjW7k+4bUv1lt9e9XsR4ehO r/GdmJs7dcBg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Apr 2020 14:32:57 -0700 IronPort-SDR: rPJeEQSTt1IXwAY/+awhaq7JpNVAyxgFC0lrHf837df6wJfzaot3QGx3f/JLKI4s9lrjziBilM jNBiy0xvpuCA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,359,1580803200"; d="scan'208";a="451752119" Received: from lkp-server01.sh.intel.com (HELO lkp-server01) ([10.239.97.150]) by fmsmga005.fm.intel.com with ESMTP; 08 Apr 2020 14:32:56 -0700 Received: from kbuild by lkp-server01 with local (Exim 4.89) (envelope-from ) id 1jMIJb-000G0D-Vq; Thu, 09 Apr 2020 05:32:55 +0800 Date: Thu, 9 Apr 2020 05:32:34 +0800 From: kbuild test robot To: Chuck Lever Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: net/sunrpc/svcsock.c:527:32: warning: Variable 'uninitialized_var' is assigned a value that is never used. [unreadVariable] Message-ID: <202004090524.zHtJ3R2B%lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: f5e94d10e4c468357019e5c28d48499f677b284f commit: da1661b93bf489cdbc8bcea919b165d31b4810bf SUNRPC: Teach server to use xprt_sock_sendmsg for socket sends date: 3 weeks ago If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot cppcheck warnings: (new ones prefixed by >>) net/sunrpc/svcsock.c:405:9: warning: union member 'Anonymous0::all' is never used. [unusedStructMember] long all[SVC_PKTINFO_SPACE / sizeof(long)]; ^ net/sunrpc/svcsock.c:518:9: warning: union member 'Anonymous1::all' is never used. [unusedStructMember] long all[SVC_PKTINFO_SPACE / sizeof(long)]; ^ >> net/sunrpc/svcsock.c:527:32: warning: Variable 'uninitialized_var' is assigned a value that is never used. [unreadVariable] unsigned int uninitialized_var(sent); ^ vim +/uninitialized_var +527 net/sunrpc/svcsock.c 504 505 /** 506 * svc_udp_sendto - Send out a reply on a UDP socket 507 * @rqstp: completed svc_rqst 508 * 509 * Returns the number of bytes sent, or a negative errno. 510 */ 511 static int svc_udp_sendto(struct svc_rqst *rqstp) 512 { 513 struct svc_xprt *xprt = rqstp->rq_xprt; 514 struct svc_sock *svsk = container_of(xprt, struct svc_sock, sk_xprt); 515 struct xdr_buf *xdr = &rqstp->rq_res; 516 union { 517 struct cmsghdr hdr; 518 long all[SVC_PKTINFO_SPACE / sizeof(long)]; 519 } buffer; 520 struct cmsghdr *cmh = &buffer.hdr; 521 struct msghdr msg = { 522 .msg_name = &rqstp->rq_addr, 523 .msg_namelen = rqstp->rq_addrlen, 524 .msg_control = cmh, 525 .msg_controllen = sizeof(buffer), 526 }; > 527 unsigned int uninitialized_var(sent); 528 int err; 529 530 svc_set_cmsg_data(rqstp, cmh); 531 532 err = xprt_sock_sendmsg(svsk->sk_sock, &msg, xdr, 0, 0, &sent); 533 xdr_free_bvec(xdr); 534 if (err == -ECONNREFUSED) { 535 /* ICMP error on earlier request. */ 536 err = xprt_sock_sendmsg(svsk->sk_sock, &msg, xdr, 0, 0, &sent); 537 xdr_free_bvec(xdr); 538 } 539 if (err < 0) 540 return err; 541 return sent; 542 } 543 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org