Jan Beulich
2010-Mar-01 09:31 UTC
[Xen-devel] [PATCH] Linux: Fwd: blkfront: Fix an unlikely xenbus crasher
Getting partition 0 should not fail, but if it does we won''t continue.
Signed-off-by: Daniel Stodden <daniel.stodden@citrix.com>
Signed-off-by: Jan Beulich <jbeulich@novell.com>
--- a/drivers/xen/blkfront/blkfront.c
+++ b/drivers/xen/blkfront/blkfront.c
@@ -285,8 +285,10 @@
case XenbusStateClosing:
bd = bdget(info->dev);
- if (bd == NULL)
+ if (bd == NULL) {
xenbus_dev_fatal(dev, -ENODEV, "bdget failed");
+ break;
+ }
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
down(&bd->bd_sem);
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