diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2020-01-10 14:54:18 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-06-25 11:49:00 +0200 |
| commit | 1ebc4c5197d2c171d27cbb7a0a57207ec69fae5a (patch) | |
| tree | c667cf29798de2a9605100571625ed22b7eb4b74 | |
| parent | a6013c94d8e0ab0d7d21e605d0de4bfec62ecd76 (diff) | |
linux/random.h: Mark CONFIG_ARCH_RANDOM functions __must_check
commit 904caa6413c87aacbf7d0682da617c39ca18cf1a upstream.
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>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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 57fa7d52ef73..0efabaaf1eb6 100644 --- a/include/linux/random.h +++ b/include/linux/random.h @@ -118,19 +118,19 @@ unsigned long randomize_page(unsigned long start, unsigned long range); #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; } |