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| author |   Richard Henderson <richard.henderson@linaro.org> | 2020-01-10 14:54:18 +0000 |
|---|---|---|
| committer |   Theodore Ts'o <tytso@mit.edu> | 2020-01-25 12:18:50 -0500 |
| commit | 904caa6413c87aacbf7d0682da617c39ca18cf1a (patch) | |
| tree | 2c605f64899021df04f7b324262f567b96cd095f /include/linux/random.h | |
| parent | linux/random.h: Use false with bool (diff) | |
| download | linux-dev-904caa6413c87aacbf7d0682da617c39ca18cf1a.tar.xz linux-dev-904caa6413c87aacbf7d0682da617c39ca18cf1a.zip | |
linux/random.h: Mark CONFIG_ARCH_RANDOM functions __must_check
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 <rth@twiddle.net>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20200110145422.49141-7-broonie@kernel.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'include/linux/random.h')
| -rw-r--r-- | include/linux/random.h | 8 |
1 files 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; } |