linux-kernel - [PATCH 3 of 5] xen/blkfront: Make sure that the device is fully ready before allowing release

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Message-Id: <6f8184a546bd5f9be417.1212191403@localhost>
Date:	Sat, 31 May 2008 00:50:03 +0100
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Jeff Garzik <jgarzik.pobox.com@...p.org>
Cc:	Jens Axboe <jens.axboe@...cle.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 3 of 5] xen/blkfront: Make sure that the device is fully ready
	before allowing release

From: Wim Colgate <wim@...source.com>

[ linux-2.6.18-xen changeset c1c57fea77e9 ]

Signed-off-by: Wim Colgate <wim@...source.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>

---
 drivers/block/xen-blkfront.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -997,7 +997,7 @@
 		struct xenbus_device *dev = info->xbdev;
 		enum xenbus_state state = xenbus_read_driver_state(dev->otherend);
 
-		if (state == XenbusStateClosing)
+		if (state == XenbusStateClosing && info->is_ready)
 			blkfront_closing(dev);
 	}
 	return 0;


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