From owner-svn-src-stable@FreeBSD.ORG  Tue Oct 23 15:21:00 2012
Return-Path: <owner-svn-src-stable@FreeBSD.ORG>
Delivered-To: svn-src-stable@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
 by hub.freebsd.org (Postfix) with ESMTP id 1E69C1DF;
 Tue, 23 Oct 2012 15:21:00 +0000 (UTC) (envelope-from mav@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
 by mx1.freebsd.org (Postfix) with ESMTP id 0675D8FC17;
 Tue, 23 Oct 2012 15:21:00 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
 by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id q9NFKxrH095420;
 Tue, 23 Oct 2012 15:20:59 GMT (envelope-from mav@svn.freebsd.org)
Received: (from mav@localhost)
 by svn.freebsd.org (8.14.4/8.14.4/Submit) id q9NFKx7N095418;
 Tue, 23 Oct 2012 15:20:59 GMT (envelope-from mav@svn.freebsd.org)
Message-Id: <201210231520.q9NFKx7N095418@svn.freebsd.org>
From: Alexander Motin <mav@FreeBSD.org>
Date: Tue, 23 Oct 2012 15:20:59 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org
Subject: svn commit: r241939 - stable/9/sys/cam/scsi
X-SVN-Group: stable-9
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-stable@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: SVN commit messages for all the -stable branches of the src tree
 <svn-src-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-src-stable>,
 <mailto:svn-src-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-stable>
List-Post: <mailto:svn-src-stable@freebsd.org>
List-Help: <mailto:svn-src-stable-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-stable>,
 <mailto:svn-src-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 23 Oct 2012 15:21:00 -0000

Author: mav
Date: Tue Oct 23 15:20:59 2012
New Revision: 241939
URL: http://svn.freebsd.org/changeset/base/241939

Log:
  MFC r241410:
  There are SCSI conditions that are not an errors. In those cases cderror()
  returns zero while request status is not CAM_REQ_CMP.  That could cause
  partial device attach or other unexpected results.

Modified:
  stable/9/sys/cam/scsi/scsi_cd.c
Directory Properties:
  stable/9/sys/   (props changed)

Modified: stable/9/sys/cam/scsi/scsi_cd.c
==============================================================================
--- stable/9/sys/cam/scsi/scsi_cd.c	Tue Oct 23 15:18:16 2012	(r241938)
+++ stable/9/sys/cam/scsi/scsi_cd.c	Tue Oct 23 15:20:59 2012	(r241939)
@@ -1661,6 +1661,7 @@ cddone(struct cam_periph *periph, union 
 					       * bytes.
 					       */
 		struct	   cd_params *cdp;
+		int error;
 
 		cdp = &softc->params;
 
@@ -1669,28 +1670,26 @@ cddone(struct cam_periph *periph, union 
 		cdp->disksize = scsi_4btoul (rdcap->addr) + 1;
 		cdp->blksize = scsi_4btoul (rdcap->length);
 
-		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
+		/*
+		 * Retry any UNIT ATTENTION type errors.  They
+		 * are expected at boot.
+		 */
+		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP ||
+		    (error = cderror(done_ccb, CAM_RETRY_SELTO,
+				SF_RETRY_UA | SF_NO_PRINT)) == 0) {
 
 			snprintf(announce_buf, sizeof(announce_buf),
 				"cd present [%lu x %lu byte records]",
 				cdp->disksize, (u_long)cdp->blksize);
 
 		} else {
-			int	error;
-			/*
-			 * Retry any UNIT ATTENTION type errors.  They
-			 * are expected at boot.
-			 */
-			error = cderror(done_ccb, CAM_RETRY_SELTO,
-					SF_RETRY_UA | SF_NO_PRINT);
 			if (error == ERESTART) {
 				/*
 				 * A retry was scheuled, so
 				 * just return.
 				 */
 				return;
-			} else if (error != 0) {
-
+			} else {
 				struct scsi_sense_data *sense;
 				int asc, ascq;
 				int sense_key, error_code;