[PATCH 1/6] random: Mark CONFIG_ARCH_RANDOM functions __must_check
From: Richard Henderson <richard.henderson@linaro.org>
Date: 2019-10-28 21:06:34
Also in:
linux-arch, linux-arm-kernel, linux-s390
Subsystem:
random number driver, the rest · Maintainers:
"Theodore Ts'o", Jason A. Donenfeld, Linus Torvalds
We cannot use the pointer output without validating the success of the random read. Signed-off-by: Richard Henderson <redacted> --- Cc: Kees Cook <redacted> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: linux-arch@vger.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 f189c927fdea..84947b489649 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h@@ -167,11 +167,11 @@ 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 0; } -static inline bool arch_get_random_int(unsigned int *v) +static inline bool __must_check arch_get_random_int(unsigned int *v) { return 0; }
@@ -179,11 +179,11 @@ static inline bool arch_has_random(void) { return 0; } -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 0; } -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 0; }
--
2.17.1