Messages in this thread | | | Date | Tue, 26 Jan 2016 18:30:18 +0800 | From | Herbert Xu <> | Subject | Re: [PATCH 1/2] crypto: jitterentropy - always select CRYPTO_RNG |
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On Mon, Jan 25, 2016 at 05:50:34PM +0100, Arnd Bergmann wrote: > When building the jitterentropy driver by itself, we get a link error > when CRYPTO_RNG is not enabled as well: > > crypto/built-in.o: In function `jent_mod_init': > jitterentropy-kcapi.c:(.init.text+0x98): undefined reference to `crypto_register_rng' > crypto/built-in.o: In function `jent_mod_exit': > jitterentropy-kcapi.c:(.exit.text+0x60): undefined reference to `crypto_unregister_rng' > > This moves the 'select CRYPTO_RNG' from CRYPTO_DRBG to CRYPTO_JITTERENTROPY > to ensure the API is always there when it's used, not just when DRBG is > also enabled. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > --- > crypto/Kconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/crypto/Kconfig b/crypto/Kconfig > index 7240821137fd..99109b93604a 100644 > --- a/crypto/Kconfig > +++ b/crypto/Kconfig > @@ -1586,13 +1586,13 @@ config CRYPTO_DRBG_CTR > config CRYPTO_DRBG > tristate > default CRYPTO_DRBG_MENU > - select CRYPTO_RNG
I think we should leave this there as DRBG itself is an RNG and it just uses JITTERENTROPY which happens to be an RNG.
Otherwise this looks OK to me.
Thanks, -- Email: Herbert Xu <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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