[PATCH v2 06/10] linux/random.h: Mark CONFIG_ARCH_RANDOM functions __must_check
From: Mark Brown <broonie@kernel.org>
Date: 2020-01-10 14:54:42
Also in:
linux-arch, linux-crypto, linux-s390, linuxppc-dev
Subsystem:
random number driver, the rest · Maintainers:
"Theodore Ts'o", Jason A. Donenfeld, Linus Torvalds
From: Richard Henderson <richard.henderson@linaro.org> We must not use the pointer output without validating the success of the random read. Reviewed-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Richard Henderson <redacted> Signed-off-by: Mark Brown <broonie@kernel.org> --- include/linux/random.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/include/linux/random.h b/include/linux/random.h
index ea0e2f5f1ec5..d319f9a1e429 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h@@ -167,19 +167,19 @@ static inline void prandom_seed_state(struct rnd_state *state, u64 seed) #ifdef CONFIG_ARCH_RANDOM # include <asm/archrandom.h> #else -static inline bool arch_get_random_long(unsigned long *v) +static inline bool __must_check arch_get_random_long(unsigned long *v) { return false; } -static inline bool arch_get_random_int(unsigned int *v) +static inline bool __must_check arch_get_random_int(unsigned int *v) { return false; } -static inline bool arch_get_random_seed_long(unsigned long *v) +static inline bool __must_check arch_get_random_seed_long(unsigned long *v) { return false; } -static inline bool arch_get_random_seed_int(unsigned int *v) +static inline bool __must_check arch_get_random_seed_int(unsigned int *v) { return false; }
--
2.20.1
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