[PATCH 4.0 20/60] xen/events: Set irq_info->evtchn before binding the channel to CPU in __startup_pirq()

[Greg Kroah-Hartman]

4.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>

commit 16e6bd5970c88a2ac018b84a5f1dd5c2ff1fdf2c upstream.

.. 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 <boris.ostrovsky@xxxxxxxxxx>
Tested-by: Annie Li <annie.li@xxxxxxxxxx>
Signed-off-by: David Vrabel <david.vrabel@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/xen/events/events_base.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -529,8 +529,8 @@ static unsigned int __startup_pirq(unsig
 	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)


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