From owner-svn-src-all@FreeBSD.ORG  Tue Dec 29 23:31:21 2009
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 8BDCE106566B;
	Tue, 29 Dec 2009 23:31:21 +0000 (UTC)
	(envelope-from gibbs@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id 7BD3D8FC1A;
	Tue, 29 Dec 2009 23:31:21 +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 nBTNVLtU040110;
	Tue, 29 Dec 2009 23:31:21 GMT (envelope-from gibbs@svn.freebsd.org)
Received: (from gibbs@localhost)
	by svn.freebsd.org (8.14.3/8.14.3/Submit) id nBTNVLod040108;
	Tue, 29 Dec 2009 23:31:21 GMT (envelope-from gibbs@svn.freebsd.org)
Message-Id: <200912292331.nBTNVLod040108@svn.freebsd.org>
From: "Justin T. Gibbs" <gibbs@FreeBSD.org>
Date: Tue, 29 Dec 2009 23:31:21 +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: r201236 - head/sys/dev/xen/blkfront
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.5
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/listinfo/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, 29 Dec 2009 23:31:21 -0000

Author: gibbs
Date: Tue Dec 29 23:31:21 2009
New Revision: 201236
URL: http://svn.freebsd.org/changeset/base/201236

Log:
  In blkif_queue_cb(), test the return value from gnttab_claim_grant_reference()
  for >= 0 instead of != ENOSPC.

Modified:
  head/sys/dev/xen/blkfront/blkfront.c

Modified: head/sys/dev/xen/blkfront/blkfront.c
==============================================================================
--- head/sys/dev/xen/blkfront/blkfront.c	Tue Dec 29 23:30:16 2009	(r201235)
+++ head/sys/dev/xen/blkfront/blkfront.c	Tue Dec 29 23:31:21 2009	(r201236)
@@ -960,7 +960,7 @@ blkif_queue_cb(void *arg, bus_dma_segmen
 
 		/* install a grant reference. */
 		ref = gnttab_claim_grant_reference(&cm->gref_head);
-		KASSERT( ref != ENOSPC, ("grant_reference failed") );
+		KASSERT( ref >= 0, ("grant_reference failed") );
 
 		gnttab_grant_foreign_access_ref(
 			ref,