[Xen-changelog] Fix bind-IPI hypercall arg check.

[BitKeeper Bot <riel@xxxxxxxxxxx>]

ChangeSet 1.1317, 2005/03/18 09:15:33+00:00, kaf24@xxxxxxxxxxxxxxxxxxxx

        Fix bind-IPI hypercall arg check.
        Signed-off-by: Anthony Liguori <aliguori@xxxxxxxxxx>
        Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>



 event_channel.c |    3 +++
 1 files changed, 3 insertions(+)


diff -Nru a/xen/common/event_channel.c b/xen/common/event_channel.c
--- a/xen/common/event_channel.c        2005-03-18 05:04:52 -05:00
+++ b/xen/common/event_channel.c        2005-03-18 05:04:52 -05:00
@@ -283,6 +283,9 @@
     struct domain *d = ed->domain;
     int            port, ipi_edom = bind->ipi_edom;
 
+    if ( ipi_edom >= MAX_VIRT_CPUS )
+        return -EINVAL;
+
     spin_lock(&d->event_channel_lock);
 
     if ( (port = get_free_port(ed)) >= 0 )


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