From owner-svn-src-all@FreeBSD.ORG  Tue Jan 22 17:18:35 2013
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@freebsd.org
Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115])
 by hub.freebsd.org (Postfix) with ESMTP id 43C0FB0B;
 Tue, 22 Jan 2013 17:18:35 +0000 (UTC) (envelope-from mav@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org
 [IPv6:2001:1900:2254:2068::e6a:0])
 by mx1.freebsd.org (Postfix) with ESMTP id 2AE37747;
 Tue, 22 Jan 2013 17:18:35 +0000 (UTC)
Received: from svn.freebsd.org ([127.0.1.70])
 by svn.freebsd.org (8.14.5/8.14.5) with ESMTP id r0MHIZpd043813;
 Tue, 22 Jan 2013 17:18:35 GMT (envelope-from mav@svn.freebsd.org)
Received: (from mav@localhost)
 by svn.freebsd.org (8.14.5/8.14.5/Submit) id r0MHIZLT043812;
 Tue, 22 Jan 2013 17:18:35 GMT (envelope-from mav@svn.freebsd.org)
Message-Id: <201301221718.r0MHIZLT043812@svn.freebsd.org>
From: Alexander Motin <mav@FreeBSD.org>
Date: Tue, 22 Jan 2013 17:18:35 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org
Subject: svn commit: r245800 - stable/8/sys/dev/ata
X-SVN-Group: stable-8
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: 2.1.14
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
 user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 22 Jan 2013 17:18:35 -0000

Author: mav
Date: Tue Jan 22 17:18:34 2013
New Revision: 245800
URL: http://svnweb.freebsd.org/changeset/base/245800

Log:
  MFC r241402:
  Add checks for ata_sata_scr_read() return statuses. It is mostly to silence
  Clang Static Analyzer warnings as errors there are usually unlikely.

Modified:
  stable/8/sys/dev/ata/ata-sata.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/dev/   (props changed)
  stable/8/sys/dev/ata/   (props changed)

Modified: stable/8/sys/dev/ata/ata-sata.c
==============================================================================
--- stable/8/sys/dev/ata/ata-sata.c	Tue Jan 22 17:15:56 2013	(r245799)
+++ stable/8/sys/dev/ata/ata-sata.c	Tue Jan 22 17:18:34 2013	(r245800)
@@ -53,7 +53,8 @@ ata_sata_phy_check_events(device_t dev, 
     struct ata_channel *ch = device_get_softc(dev);
     u_int32_t error, status;
 
-    ata_sata_scr_read(ch, port, ATA_SERROR, &error);
+    if (ata_sata_scr_read(ch, port, ATA_SERROR, &error))
+	return;
 
     /* Check that SError value is sane. */
     if (error == 0xffffffff)
@@ -66,8 +67,9 @@ ata_sata_phy_check_events(device_t dev, 
     /* if we have a connection event deal with it */
     if ((error & ATA_SE_PHY_CHANGED) && (ch->pm_level == 0)) {
 	if (bootverbose) {
-	    ata_sata_scr_read(ch, port, ATA_SSTATUS, &status);
-	    if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) &&
+	    if (ata_sata_scr_read(ch, port, ATA_SSTATUS, &status)) {
+		    device_printf(dev, "PHYRDY change\n");
+	    } else if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) &&
 		((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) &&
 		((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) {
 		    device_printf(dev, "CONNECT requested\n");