From owner-svn-src-head@freebsd.org  Sun Apr 23 01:47:53 2017
Return-Path: <owner-svn-src-head@freebsd.org>
Delivered-To: svn-src-head@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 514A2D40718;
 Sun, 23 Apr 2017 01:47:53 +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 168A01C0A;
 Sun, 23 Apr 2017 01:47:53 +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 v3N1lqbc002817;
 Sun, 23 Apr 2017 01:47:52 GMT (envelope-from ngie@FreeBSD.org)
Received: (from ngie@localhost)
 by repo.freebsd.org (8.15.2/8.15.2/Submit) id v3N1lqsO002816;
 Sun, 23 Apr 2017 01:47:52 GMT (envelope-from ngie@FreeBSD.org)
Message-Id: <201704230147.v3N1lqsO002816@repo.freebsd.org>
X-Authentication-Warning: repo.freebsd.org: ngie set sender to
 ngie@FreeBSD.org using -f
From: Ngie Cooper <ngie@FreeBSD.org>
Date: Sun, 23 Apr 2017 01:47:52 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r317311 - head/lib/libgeom
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.23
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
 <svn-src-head.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head/>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 23 Apr 2017 01:47:53 -0000

Author: ngie
Date: Sun Apr 23 01:47:51 2017
New Revision: 317311
URL: https://svnweb.freebsd.org/changeset/base/317311

Log:
  Check for failures from getpagesize(3)
  
  Return errno on failure, similar to the open(2) call above it.
  
  MFC after:	5 weeks
  Reported by:	Coverity
  CID:		1193753
  Sponsored by:	Dell EMC Isilon

Modified:
  head/lib/libgeom/geom_stats.c

Modified: head/lib/libgeom/geom_stats.c
==============================================================================
--- head/lib/libgeom/geom_stats.c	Sun Apr 23 01:17:59 2017	(r317310)
+++ head/lib/libgeom/geom_stats.c	Sun Apr 23 01:47:51 2017	(r317311)
@@ -87,6 +87,8 @@ geom_stats_open(void)
 	if (statsfd < 0)
 		return (errno);
 	pagesize = getpagesize();
+	if (pagesize == -1)
+		return (errno);
 	spp = pagesize / sizeof(struct devstat);
 	p = mmap(NULL, pagesize, PROT_READ, MAP_SHARED, statsfd, 0);
 	if (p == MAP_FAILED) {