diff options
| author | Richard Henderson <[email protected]> | 2020-01-10 14:54:22 +0000 |
|---|---|---|
| committer | Theodore Ts'o <[email protected]> | 2020-01-25 12:18:51 -0500 |
| commit | 4cb760b02419061209b9b4cc2557986a6bf93e73 (patch) | |
| tree | c08bb48e7994e4cced7e30c5e115d065f79e7fde | |
| parent | 8dae77ac56fec1e085fca3ecea49abda1b4b73d2 (diff) | |
s390x: Mark archrandom.h functions __must_check
We must not use the pointer output without validating the
success of the random read.
Reviewed-by: Harald Freudenberger <[email protected]>
Reviewed-by: Ard Biesheuvel <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Theodore Ts'o <[email protected]>
| -rw-r--r-- | arch/s390/include/asm/archrandom.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/s390/include/asm/archrandom.h b/arch/s390/include/asm/archrandom.h index 9a6835137a16..de61ce562052 100644 --- a/arch/s390/include/asm/archrandom.h +++ b/arch/s390/include/asm/archrandom.h @@ -21,17 +21,17 @@ extern atomic64_t s390_arch_random_counter; bool s390_arch_random_generate(u8 *buf, unsigned int nbytes); -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) { if (static_branch_likely(&s390_arch_random_available)) { return s390_arch_random_generate((u8 *)v, sizeof(*v)); @@ -39,7 +39,7 @@ static inline bool 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) { if (static_branch_likely(&s390_arch_random_available)) { return s390_arch_random_generate((u8 *)v, sizeof(*v)); |