[PATCH 4/5] PCI: tango: Fix platform_get_irq() error handling

[Fabio Estevam <festevam@gmail.com>]

When platform_get_irq() fails we should propagate the real error value
instead of always returning -ENXIO.

Cc: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
---
 drivers/pci/host/pcie-tango.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/host/pcie-tango.c b/drivers/pci/host/pcie-tango.c
index e23f738..5196583 100644
--- a/drivers/pci/host/pcie-tango.c
+++ b/drivers/pci/host/pcie-tango.c
@@ -272,9 +272,9 @@ static int tango_pcie_probe(struct platform_device *pdev)
 		writel_relaxed(0, pcie->base + SMP8759_ENABLE + offset);
 
 	virq = platform_get_irq(pdev, 1);
-	if (virq <= 0) {
+	if (virq < 0) {
 		dev_err(dev, "Failed to map IRQ\n");
-		return -ENXIO;
+		return virq;
 	}
 
 	irq_dom = irq_domain_create_linear(fwnode, MSI_MAX, &dom_ops, pcie);
-- 
2.7.4