Re: [PATCH] random: pull add_hwgenerator_randomness() declaration into random.h

[Eric Biggers]

On Sun, Feb 13, 2022 at 04:25:22PM +0100, Jason A. Donenfeld wrote:
> add_hwgenerator_randomness() is a function implemented and documented
> inside of random.c. It is the way that hardware RNGs push data into it.
> Therefore, it should be declared in random.h. Otherwise sparse complains
> with:
> 
> random.c:1137:6: warning: symbol 'add_hwgenerator_randomness' was not declared. Should it be static?
> 
> The alternative would be to include hw_random.h into random.c, but that
> wouldn't really be good for anything except slowing down compile time.
> 
> Cc: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx>
> Cc: Matt Mackall <mpm@xxxxxxxxxxx>
> Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> Cc: linux-crypto@xxxxxxxxxxxxxxx
> Cc: Kalle Valo <kvalo@xxxxxxxxxx>
> Cc: ath9k-devel@xxxxxxxxxxxxxxxx
> Cc: Theodore Ts'o <tytso@xxxxxxx>
> Signed-off-by: Jason A. Donenfeld <Jason@xxxxxxxxx>
> ---
>  drivers/char/hw_random/core.c        | 1 +
>  drivers/net/wireless/ath/ath9k/rng.c | 1 +
>  include/linux/hw_random.h            | 2 --
>  include/linux/random.h               | 2 ++
>  4 files changed, 4 insertions(+), 2 deletions(-)

Reviewed-by: Eric Biggers <ebiggers@xxxxxxxxxx>

- Eric