From owner-svn-src-head@FreeBSD.ORG  Wed Nov 12 03:59:27 2014
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115])
 (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id CAC11E45;
 Wed, 12 Nov 2014 03:59:27 +0000 (UTC)
Received: from svn.freebsd.org (svn.freebsd.org
 [IPv6:2001:1900:2254:2068::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 B86AAEAA;
 Wed, 12 Nov 2014 03:59:27 +0000 (UTC)
Received: from svn.freebsd.org ([127.0.1.70])
 by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id sAC3xR1n008452;
 Wed, 12 Nov 2014 03:59:27 GMT (envelope-from loos@FreeBSD.org)
Received: (from loos@localhost)
 by svn.freebsd.org (8.14.9/8.14.9/Submit) id sAC3xRXt008451;
 Wed, 12 Nov 2014 03:59:27 GMT (envelope-from loos@FreeBSD.org)
Message-Id: <201411120359.sAC3xRXt008451@svn.freebsd.org>
X-Authentication-Warning: svn.freebsd.org: loos set sender to loos@FreeBSD.org
 using -f
From: Luiz Otavio O Souza <loos@FreeBSD.org>
Date: Wed, 12 Nov 2014 03:59:27 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r274416 - head/usr.sbin/i2c
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: 2.1.18-1
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
 <svn-src-head.freebsd.org>
List-Unsubscribe: <http://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: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 12 Nov 2014 03:59:27 -0000

Author: loos
Date: Wed Nov 12 03:59:26 2014
New Revision: 274416
URL: https://svnweb.freebsd.org/changeset/base/274416

Log:
  Fix a few cases of use of uninitialized variables.  Found with -Wall.
  
  MFC after:	1 week

Modified:
  head/usr.sbin/i2c/i2c.c

Modified: head/usr.sbin/i2c/i2c.c
==============================================================================
--- head/usr.sbin/i2c/i2c.c	Wed Nov 12 03:07:46 2014	(r274415)
+++ head/usr.sbin/i2c/i2c.c	Wed Nov 12 03:59:26 2014	(r274416)
@@ -142,6 +142,7 @@ scan_bus(struct iiccmd cmd, char *dev, i
 			if (tokens == NULL) {
 				fprintf(stderr, "Error allocating tokens "
 				    "buffer\n");
+				error = -1;
 				goto out;
 			}
 			index = skip_get_tokens(skip_addr, tokens,
@@ -150,6 +151,7 @@ scan_bus(struct iiccmd cmd, char *dev, i
 
 		if (!no_range && (addr_range.start > addr_range.end)) {
 			fprintf(stderr, "Skip address out of range\n");
+			error = -1;
 			goto out;
 		}
 	}
@@ -409,8 +411,10 @@ i2c_read(char *dev, struct options i2c_o
 		if (i2c_opt.mode == I2C_MODE_STOP_START) {
 			cmd.slave = i2c_opt.addr;
 			error = ioctl(fd, I2CSTOP, &cmd);
-			if (error == -1)
+			if (error == -1) {
+				err_msg = "error sending stop condtion\n";
 				goto err2;
+			}
 		}
 	}
 	cmd.slave = i2c_opt.addr;
@@ -432,8 +436,10 @@ i2c_read(char *dev, struct options i2c_o
 		}
 	}
 	error = ioctl(fd, I2CSTOP, &cmd);
-	if (error == -1)
+	if (error == -1) {
+		err_msg = "error sending stop condtion\n";
 		goto err2;
+	}
 
 	for (i = 0; i < i2c_opt.count; i++) {
 		error = read(fd, &i2c_buf[i], 1);