[Xen-devel] [PATCH 9 of 12] backport 081501daceca74d2091e798d5dc

To:	<xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject:	[Xen-devel] [PATCH 9 of 12] backport 081501daceca74d2091e798d5dcd342c14d66d1a
From:	Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Date:	Mon, 5 Oct 2009 14:41:25 +0100
Cc:	Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
Delivery-date:	Mon, 05 Oct 2009 06:48:30 -0700
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxxx
List-help:	<mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id:	Xen developer discussion <xen-devel.lists.xensource.com>
List-post:	<mailto:xen-devel@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender:	xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent:	Alpine 2.00 (DEB 1167 2008-08-23)

Backport 081501daceca74d2091e798d5dcd342c14d66d1a from qemu upstream:

check for bs->drv in bdrv_flush (Christoph Hellwig)

---

diff -r 3053262ff0f2 block.c
--- a/block.c   Fri Oct 02 13:39:04 2009 +0100
+++ b/block.c   Fri Oct 02 14:51:14 2009 +0100
@@ -1071,6 +1071,8 @@
 int bdrv_flush(BlockDriverState *bs)
 {
     int ret = 0;
+    if (!bs->drv)
+        return -EINVAL;
     if (bs->drv->bdrv_flush)
         ret = bs->drv->bdrv_flush(bs);
     if (!ret && bs->backing_hd)

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

WARNING - OLD ARCHIVES

xen-devel

[Xen-devel] [PATCH 9 of 12] backport 081501daceca74d2091e798d5dcd342c14d