xen: events: return irq from xen_allocate_pirq_msi
consistent with other similar functions.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 36e9adc..ed3420d 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -664,31 +664,34 @@
return -1;
}
-void xen_allocate_pirq_msi(char *name, int *irq, int *pirq, int alloc_pirq)
+int xen_allocate_pirq_msi(char *name, int *pirq, int alloc_pirq)
{
+ int irq;
+
spin_lock(&irq_mapping_update_lock);
- *irq = xen_allocate_irq_dynamic();
- if (*irq == -1)
+ irq = xen_allocate_irq_dynamic();
+ if (irq == -1)
goto out;
if (alloc_pirq) {
*pirq = find_unbound_pirq(MAP_PIRQ_TYPE_MSI);
if (*pirq == -1) {
- xen_free_irq(*irq);
- *irq = -1;
+ xen_free_irq(irq);
+ irq = -1;
goto out;
}
}
- set_irq_chip_and_handler_name(*irq, &xen_pirq_chip,
+ set_irq_chip_and_handler_name(irq, &xen_pirq_chip,
handle_level_irq, name);
- irq_info[*irq] = mk_pirq_info(0, *pirq, 0, 0);
- pirq_to_irq[*pirq] = *irq;
+ irq_info[irq] = mk_pirq_info(0, *pirq, 0, 0);
+ pirq_to_irq[*pirq] = irq;
out:
spin_unlock(&irq_mapping_update_lock);
+ return irq;
}
int xen_create_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc, int type)