From: Arnd Bergmann Date: Tue, 26 Jan 2016 13:47:10 +0000 (+0100) Subject: crypto: jitterentropy - always select CRYPTO_RNG X-Git-Tag: v4.1.12-111.0.20170918_2215~186 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=30c390044830d61c34197db174fcd2deba8c85f9;p=users%2Fjedix%2Flinux-maple.git crypto: jitterentropy - always select CRYPTO_RNG Orabug: 26330509 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 adds a 'select CRYPTO_RNG' to CRYPTO_JITTERENTROPY to ensure the API is always there when it's used, not just when DRBG is also enabled. CRYPTO_DRBG would set it implicitly through CRYPTO_JITTERENTROPY now, but this leaves it in place to make it explicit what the driver does. Signed-off-by: Arnd Bergmann Signed-off-by: Herbert Xu (cherry picked from commit 2f313e029020f1fa5f58f38f48ff6988d67fc3c1) Signed-off-by: Somasundaram Krishnasamy Reviewed-by: Jack Vogel --- diff --git a/crypto/Kconfig b/crypto/Kconfig index bbe3397e38768..7a78cc2164bbd 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -1485,6 +1485,7 @@ endif # if CRYPTO_DRBG_MENU config CRYPTO_JITTERENTROPY tristate "Jitterentropy Non-Deterministic Random Number Generator" + select CRYPTO_RNG help The Jitterentropy RNG is a noise that is intended to provide seed to another RNG. The RNG does not