xen/events: Set irq_info->evtchn before binding the channel to CPU in __startup_pirq()

Boris Ostrovsky · David Vrabel · commit 16e6bd5970c8 · 2015-05-05T18:27:14.000+01:00
.. because bind_evtchn_to_cpu(evtchn, cpu) will map evtchn to
'info' and pass 'info' down to xen_evtchn_port_bind_to_cpu().

Signed-off-by: Boris Ostrovsky &lt;boris.ostrovsky@oracle.com&gt;
Tested-by: Annie Li &lt;annie.li@oracle.com&gt;
Cc: &lt;stable@vger.kernel.org&gt;
Signed-off-by: David Vrabel &lt;david.vrabel@citrix.com&gt;
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
@@ -529,8 +529,8 @@ static unsigned int __startup_pirq(unsigned int irq)
 	if (rc)
 		goto err;
 
-	bind_evtchn_to_cpu(evtchn, 0);
 	info->evtchn = evtchn;
+	bind_evtchn_to_cpu(evtchn, 0);
 
 	rc = xen_evtchn_port_setup(info);
 	if (rc)
