sparse rightfully says:
drivers/pci/controller/pcie-rcar.c:741:30: warning: symbol 'irq' shadows an 
earlier one

It doesn't affect the current code. But fix it now to avoid future
surprises and for good coding style.

Signed-off-by: Wolfram Sang <wsa+rene...@sang-engineering.com>
---

Only build tested.

 drivers/pci/controller/pcie-rcar.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/pci/controller/pcie-rcar.c 
b/drivers/pci/controller/pcie-rcar.c
index 7002e9ad0b81..f513058e3a70 100644
--- a/drivers/pci/controller/pcie-rcar.c
+++ b/drivers/pci/controller/pcie-rcar.c
@@ -738,15 +738,15 @@ static irqreturn_t rcar_pcie_msi_irq(int irq, void *data)
 
        while (reg) {
                unsigned int index = find_first_bit(&reg, 32);
-               unsigned int irq;
+               unsigned int msi_irq;
 
                /* clear the interrupt */
                rcar_pci_write_reg(pcie, 1 << index, PCIEMSIFR);
 
-               irq = irq_find_mapping(msi->domain, index);
-               if (irq) {
+               msi_irq = irq_find_mapping(msi->domain, index);
+               if (msi_irq) {
                        if (test_bit(index, msi->used))
-                               generic_handle_irq(irq);
+                               generic_handle_irq(msi_irq);
                        else
                                dev_info(dev, "unhandled MSI\n");
                } else {
-- 
2.19.1

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