Re: [PATCH] PCI: Add cast when assigning PCI_ROM_ADDRESS_MASK to a 32-bit variable

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On Mon, Apr 10, 2017 at 03:24:57PM -0700, Matthias Kaehlcke wrote:
> This fixes a clang warning about "implicit conversion from 'unsigned
> long' to 'u32'"
> 
> Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
> ---
>  drivers/pci/probe.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
> index dfc9a2794141..148e80d5caf1 100644
> --- a/drivers/pci/probe.c
> +++ b/drivers/pci/probe.c
> @@ -180,7 +180,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
>  	u16 orig_cmd;
>  	struct pci_bus_region region, inverted_region;
>  
> -	mask = type ? PCI_ROM_ADDRESS_MASK : ~0;
> +	mask = type ? (u32)PCI_ROM_ADDRESS_MASK : ~0;

Can we put the cast in the PCI_ROM_ADDRESS_MASK #define so we don't have to
repeat it in all the uses?

>  	/* No printks while decoding is disabled! */
>  	if (!dev->mmio_always_on) {
> -- 
> 2.12.2.715.g7642488e1d-goog
> 



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