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PCI: keystone: Propagate request_irq() failure

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Previously, if request_irq() failed, ks_add_pcie_port() always returned
zero (success).  Return the request_irq() failure result instead.

[bhelgaas: changelog]
Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-By: Murali Karicheri <m-karicheri2@ti.com>
This commit is contained in:
Wei Yongjun 2016-07-28 16:16:18 +00:00 committed by Bjorn Helgaas
parent 29b4817d40
commit 8116acce5a
1 changed files with 3 additions and 2 deletions
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5
drivers/pci/host/pci-keystone.c
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@ -334,8 +334,9 @@ static int __init ks_add_pcie_port(struct keystone_pcie *ks_pcie,
if (ks_pcie->error_irq <= 0)
dev_info(&pdev->dev, "no error IRQ defined\n");
else {
if (request_irq(ks_pcie->error_irq, pcie_err_irq_handler,
IRQF_SHARED, "pcie-error-irq", ks_pcie) < 0) {
ret = request_irq(ks_pcie->error_irq, pcie_err_irq_handler,
IRQF_SHARED, "pcie-error-irq", ks_pcie);
if (ret < 0) {
dev_err(&pdev->dev, "failed to request error IRQ %d\n",
ks_pcie->error_irq);
return ret;