From owner-svn-src-all@FreeBSD.ORG Thu Feb 17 17:03:56 2011 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8F311106564A; Thu, 17 Feb 2011 17:03:56 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 62AEE8FC0A; Thu, 17 Feb 2011 17:03:56 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id p1HH3u95019172; Thu, 17 Feb 2011 17:03:56 GMT (envelope-from jhb@svn.freebsd.org) Received: (from jhb@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id p1HH3uNm019170; Thu, 17 Feb 2011 17:03:56 GMT (envelope-from jhb@svn.freebsd.org) Message-Id: <201102171703.p1HH3uNm019170@svn.freebsd.org> From: John Baldwin Date: Thu, 17 Feb 2011 17:03:56 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r218777 - head/usr.sbin/nfsd X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Feb 2011 17:03:56 -0000 Author: jhb Date: Thu Feb 17 17:03:56 2011 New Revision: 218777 URL: http://svn.freebsd.org/changeset/base/218777 Log: Save a copy of errno before invoking syslog() if accept() or select() fail. syslog() can trash the errno value causing nfsd to exit for non-fatal errors like ECONNABORTED from accept(). MFC after: 1 week Modified: head/usr.sbin/nfsd/nfsd.c Modified: head/usr.sbin/nfsd/nfsd.c ============================================================================== --- head/usr.sbin/nfsd/nfsd.c Thu Feb 17 16:33:41 2011 (r218776) +++ head/usr.sbin/nfsd/nfsd.c Thu Feb 17 17:03:56 2011 (r218777) @@ -134,7 +134,7 @@ main(int argc, char **argv) socklen_t len; int on = 1, unregister, reregister, sock; int tcp6sock, ip6flag, tcpflag, tcpsock; - int udpflag, ecode, s, srvcnt; + int udpflag, ecode, error, s, srvcnt; int bindhostc, bindanyflag, rpcbreg, rpcbregcnt; int stablefd, nfssvc_addsock; char **bindhost = NULL; @@ -738,8 +738,9 @@ main(int argc, char **argv) if (connect_type_cnt > 1) { if (select(maxsock + 1, &ready, NULL, NULL, NULL) < 1) { + error = errno; syslog(LOG_ERR, "select failed: %m"); - if (errno == EINTR) + if (error == EINTR) continue; nfsd_exit(1); } @@ -750,9 +751,10 @@ main(int argc, char **argv) len = sizeof(inetpeer); if ((msgsock = accept(tcpsock, (struct sockaddr *)&inetpeer, &len)) < 0) { + error = errno; syslog(LOG_ERR, "accept failed: %m"); - if (errno == ECONNABORTED || - errno == EINTR) + if (error == ECONNABORTED || + error == EINTR) continue; nfsd_exit(1); } @@ -772,10 +774,11 @@ main(int argc, char **argv) if ((msgsock = accept(tcpsock, (struct sockaddr *)&inet6peer, &len)) < 0) { + error = errno; syslog(LOG_ERR, "accept failed: %m"); - if (errno == ECONNABORTED || - errno == EINTR) + if (error == ECONNABORTED || + error == EINTR) continue; nfsd_exit(1); }