[PATCH] PCI: iproc: Fix return value of iproc_msi_irq_domain_alloc()

[Pali Rohár]

IRQ domain alloc function should return zero on success. Non-zero value
indicates failure.

Signed-off-by: Pali Rohár <pali@xxxxxxxxxx>
Fixes: fc54bae28818 ("PCI: iproc: Allow allocation of multiple MSIs")
---
 drivers/pci/controller/pcie-iproc-msi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/controller/pcie-iproc-msi.c b/drivers/pci/controller/pcie-iproc-msi.c
index 908475d27e0e..eede4e8f3f75 100644
--- a/drivers/pci/controller/pcie-iproc-msi.c
+++ b/drivers/pci/controller/pcie-iproc-msi.c
@@ -271,7 +271,7 @@ static int iproc_msi_irq_domain_alloc(struct irq_domain *domain,
 				    NULL, NULL);
 	}
 
-	return hwirq;
+	return 0;
 }
 
 static void iproc_msi_irq_domain_free(struct irq_domain *domain,
-- 
2.20.1