From: Wim Colgate <wim@xensource.com>
Date: Tue, 17 Jun 2008 08:47:08 +0000 (+0200)
Subject: xen/blkfront: Make sure that the device is fully ready before allowing release.
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=04c0635058256e2f4618139c237e56b5a4bdbb8f;p=mv-sheeva.git

xen/blkfront: Make sure that the device is fully ready before allowing release.

[ linux-2.6.18-xen changeset c1c57fea77e9 ]

Signed-off-by: Wim Colgate <wim@xensource.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index da3fee6bf53..a39b4b2b0c5 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -997,7 +997,7 @@ static int blkif_release(struct inode *inode, struct file *filep)
 		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;