From owner-svn-src-all@freebsd.org Sat May 14 22:04:46 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0DECCB3B59E; Sat, 14 May 2016 22:04:46 +0000 (UTC) (envelope-from ngie@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id D21BE1FD9; Sat, 14 May 2016 22:04:45 +0000 (UTC) (envelope-from ngie@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u4EM4jvm059027; Sat, 14 May 2016 22:04:45 GMT (envelope-from ngie@FreeBSD.org) Received: (from ngie@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u4EM4jtZ059026; Sat, 14 May 2016 22:04:45 GMT (envelope-from ngie@FreeBSD.org) Message-Id: <201605142204.u4EM4jtZ059026@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: ngie set sender to ngie@FreeBSD.org using -f From: Garrett Cooper Date: Sat, 14 May 2016 22:04:45 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r299766 - head/usr.sbin/bsnmpd/tools/libbsnmptools X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.22 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: Sat, 14 May 2016 22:04:46 -0000 Author: ngie Date: Sat May 14 22:04:44 2016 New Revision: 299766 URL: https://svnweb.freebsd.org/changeset/base/299766 Log: Fix logically dead code pointed out by clang/Coverity parse_context, parse_user_security: test for validity of results from parse_ascii(..) with by casting to int32_t and comparing to -1; comparing unsigned types to negative values will always be false. Reported by: clang, Coverity CID: 1011432, 1011433 MFC after: 3 weeks Sponsored by: EMC / Isilon Storage Division Modified: head/usr.sbin/bsnmpd/tools/libbsnmptools/bsnmptools.c Modified: head/usr.sbin/bsnmpd/tools/libbsnmptools/bsnmptools.c ============================================================================== --- head/usr.sbin/bsnmpd/tools/libbsnmptools/bsnmptools.c Sat May 14 21:32:52 2016 (r299765) +++ head/usr.sbin/bsnmpd/tools/libbsnmptools/bsnmptools.c Sat May 14 22:04:44 2016 (r299766) @@ -616,8 +616,8 @@ parse_context(struct snmp_toolinfo *snmp warnx("Suboption 'context-engine' - no argument"); return (-1); } - if ((snmp_client.clen = parse_ascii(val, - snmp_client.cengine, SNMP_ENGINE_ID_SIZ)) < 0) { + if ((int32_t)(snmp_client.clen = parse_ascii(val, + snmp_client.cengine, SNMP_ENGINE_ID_SIZ)) == -1) { warnx("Bad EngineID - %s", val); return (-1); } @@ -655,7 +655,7 @@ parse_user_security(struct snmp_toolinfo } snmp_client.engine.engine_len = parse_ascii(val, snmp_client.engine.engine_id, SNMP_ENGINE_ID_SIZ); - if (snmp_client.engine.engine_len < 0) { + if ((int32_t)snmp_client.engine.engine_len == -1) { warnx("Bad EngineID - %s", val); return (-1); }