Re: [PATCH] crypto: camellia: add missing declarations

From: Herbert Xu
Date: Mon Jan 23 2017 - 09:03:24 EST


On Mon, Jan 16, 2017 at 05:06:51PM +0100, Nicholas Mc Guire wrote:
> Add declarations for the camellia substitution box to allow a clean build.
>
> Signed-off-by: Nicholas Mc Guire <hofrat@xxxxxxxxx>
> ---
> Problem reported by sparse
> arch/x86/crypto/camellia_glue.c:65:21: warning: symbol 'camellia_sp10011110' was not declared. Should it be static?
> arch/x86/crypto/camellia_glue.c:154:21: warning: symbol 'camellia_sp22000222' was not declared. Should it be static?
> arch/x86/crypto/camellia_glue.c:243:21: warning: symbol 'camellia_sp03303033' was not declared. Should it be static?
> arch/x86/crypto/camellia_glue.c:332:21: warning: symbol 'camellia_sp00444404' was not declared. Should it be static?
> arch/x86/crypto/camellia_glue.c:421:21: warning: symbol 'camellia_sp02220222' was not declared. Should it be static?
> arch/x86/crypto/camellia_glue.c:510:21: warning: symbol 'camellia_sp30333033' was not declared. Should it be static?
> arch/x86/crypto/camellia_glue.c:599:21: warning: symbol 'camellia_sp44044404' was not declared. Should it be static?
> arch/x86/crypto/camellia_glue.c:688:21: warning: symbol 'camellia_sp11101110' was not declared. Should it be static?
>
> Patch was compile tested with: x86_64_defconfig +
> CONFIG_CRYPTO_CAMELLIA_X86_64=m
>
> Patch is against 4.10-rc3 (localversion-next is next-20170116)

This is arguably a sparse bug. These variables are only referenced
by assembly code and already carries the __visible tag. So sparse
should learn to suppress this warning when __visible is present.

Thanks,
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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