[Xen-changelog] [xen-unstable] x86/PoD: fix (un)locking after 24772:28edc2b31a9b

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Jan Beulich <jbeulich@xxxxxxxx>
# Date 1344932894 -7200
# Node ID dc56a9defa30312a46cfb6ddb578e64cfbc6bc8b
# Parent  33d596f46521ea852e90cf6dbdbf3680d104134c
x86/PoD: fix (un)locking after 24772:28edc2b31a9b

That c/s introduced a double unlock on the out-of-memory error path of
p2m_pod_demand_populate().

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
Acked-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
Acked-by: Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx>
---


diff -r 33d596f46521 -r dc56a9defa30 xen/arch/x86/mm/p2m-pod.c
--- a/xen/arch/x86/mm/p2m-pod.c Mon Aug 13 18:09:33 2012 +0100
+++ b/xen/arch/x86/mm/p2m-pod.c Tue Aug 14 10:28:14 2012 +0200
@@ -1075,6 +1075,7 @@ out_of_memory:
     printk("%s: Out of populate-on-demand memory! tot_pages %" PRIu32 " 
pod_entries %" PRIi32 "\n",
            __func__, d->tot_pages, p2m->pod.entry_count);
     domain_crash(d);
+    return -1;
 out_fail:
     pod_unlock(p2m);
     return -1;

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog