PCI: iproc: Fix return value of iproc_msi_irq_domain_alloc()

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

Link: https://lore.kernel.org/r/20210303142202.25780-1-pali@kernel.org
Fixes: fc54bae28818 ("PCI: iproc: Allow allocation of multiple MSIs")
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Krzysztof Wilczyński <kw@linux.com>
Acked-by: Ray Jui <ray.jui@broadcom.com>
Acked-by: Marc Zyngier <maz@kernel.org>

diff --git a/drivers/pci/controller/pcie-iproc-msi.c b/drivers/pci/controller/pcie-iproc-msi.c
index 908475d..eede4e8 100644 (file)
--- 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,