Re: [PATCH] PCI: rcar: don't shadow the 'irq' variable

[Lorenzo Pieralisi]

On Sun, Mar 17, 2019 at 10:34:45AM +0100, Wolfram Sang wrote:
> 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(-)

Applied to pci/rcar for v5.2, thanks.

Lorenzo

> 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
>