Re: Warning message from 'make nsdeps' when namespace is lower cases

From: Julia Lawall
Date: Tue Oct 29 2019 - 09:38:39 EST




On Tue, 29 Oct 2019, Masahiro Yamada wrote:

> Hi.
>
> When I was playing with 'make nsdeps',
> I saw a new warning.
>
> If I rename USB_STORAGE to usb_storage,
> I see 'warning: line 15: should usb_storage be a metavariable?'
> Why? I think it comes from spatch.

Yes, it would come from spatch.

> It should be technically OK to use either upper or lower cases
> for the namespace name.

What is normally wanted? Uppercase or lowercase?

julia

>
> Just apply the following, and try 'make nsdeps'.
>
>
> diff --git a/drivers/usb/storage/Makefile b/drivers/usb/storage/Makefile
> index 46635fa4a340..6f817d65c26b 100644
> --- a/drivers/usb/storage/Makefile
> +++ b/drivers/usb/storage/Makefile
> @@ -8,7 +8,7 @@
>
> ccflags-y := -I $(srctree)/drivers/scsi
>
> -ccflags-y += -DDEFAULT_SYMBOL_NAMESPACE=USB_STORAGE
> +ccflags-y += -DDEFAULT_SYMBOL_NAMESPACE=usb_storage
>
> obj-$(CONFIG_USB_UAS) += uas.o
> obj-$(CONFIG_USB_STORAGE) += usb-storage.o
>
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>
> --
> Best Regards
> Masahiro Yamada
>