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authorWei Yongjun <weiyj.lk@gmail.com>2016-07-28 16:16:18 +0000
committerBjorn Helgaas <bhelgaas@google.com>2016-08-22 14:28:42 -0500
commit8116acce5a7aba90d97170d04d4b497afa1b74cf (patch)
tree62c280d9ed47d9d587751ec79287ed4a55b10503
parent29b4817d4018df78086157ea3a55c1d9424a7cfc (diff)
downloadlinux-8116acce5a7aba90d97170d04d4b497afa1b74cf.tar.bz2
PCI: keystone: Propagate request_irq() failure
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>
-rw-r--r--drivers/pci/host/pci-keystone.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/pci/host/pci-keystone.c b/drivers/pci/host/pci-keystone.c
index 8ba28834d470..82b461b5b08a 100644
--- a/drivers/pci/host/pci-keystone.c
+++ b/drivers/pci/host/pci-keystone.c
@@ -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;