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>

1 files changed, 11 insertions, 8 deletions

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 36e9adcdebe9..ed3420df0937 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -664,31 +664,34 @@ static int find_unbound_pirq(int type)
         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)