From owner-svn-src-head@FreeBSD.ORG  Tue Jan 25 14:00:31 2011
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 43A7B106566C;
	Tue, 25 Jan 2011 14:00:31 +0000 (UTC) (envelope-from kib@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id 334E78FC16;
	Tue, 25 Jan 2011 14:00:31 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
	by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id p0PE0VLY035354;
	Tue, 25 Jan 2011 14:00:31 GMT (envelope-from kib@svn.freebsd.org)
Received: (from kib@localhost)
	by svn.freebsd.org (8.14.3/8.14.3/Submit) id p0PE0VUL035352;
	Tue, 25 Jan 2011 14:00:31 GMT (envelope-from kib@svn.freebsd.org)
Message-Id: <201101251400.p0PE0VUL035352@svn.freebsd.org>
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Tue, 25 Jan 2011 14:00:31 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
	svn-src-head@freebsd.org
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r217823 - head/sys/dev/md
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.5
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/listinfo/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: Tue, 25 Jan 2011 14:00:31 -0000

Author: kib
Date: Tue Jan 25 14:00:30 2011
New Revision: 217823
URL: http://svn.freebsd.org/changeset/base/217823

Log:
  Bio shall not be accessed after g_io_deliver(9).
  
  Reported and tested by:	pho
  Reviewed by:	ae, phk
  MFC after:	1 week

Modified:
  head/sys/dev/md/md.c

Modified: head/sys/dev/md/md.c
==============================================================================
--- head/sys/dev/md/md.c	Tue Jan 25 13:41:48 2011	(r217822)
+++ head/sys/dev/md/md.c	Tue Jan 25 14:00:30 2011	(r217823)
@@ -731,9 +731,9 @@ md_kthread(void *arg)
 
 		if (error != -1) {
 			bp->bio_completed = bp->bio_length;
-			g_io_deliver(bp, error);
 			if ((bp->bio_cmd == BIO_READ) || (bp->bio_cmd == BIO_WRITE))
 				devstat_end_transaction_bio(sc->devstat, bp);
+			g_io_deliver(bp, error);
 		}
 	}
 }