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random: remove unused get_random_var_wait functions

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None of these functions are used, so remove them.

This renders the two bugs moot:

- get_random_u64_wait() used the wrong pointer type, making it provide
  only 32 bits.

- The '#undef' directive used the wrong identifier, leaving the helper
  macro defined.

Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Eric Biggers
2025-11-01 21:19:41 -07:00
committed by Jason A. Donenfeld
parent aba5f969f8
commit 933ecf5912
1 changed files with 0 additions and 15 deletions
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15
include/linux/random.h
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@@ -130,21 +130,6 @@ static inline int get_random_bytes_wait(void *buf, size_t nbytes)
return ret;
}
#define declare_get_random_var_wait(name, ret_type) \
static inline int get_random_ ## name ## _wait(ret_type *out) { \
int ret = wait_for_random_bytes(); \
if (unlikely(ret)) \
return ret; \
*out = get_random_ ## name(); \
return 0; \
}
declare_get_random_var_wait(u8, u8)
declare_get_random_var_wait(u16, u16)
declare_get_random_var_wait(u32, u32)
declare_get_random_var_wait(u64, u32)
declare_get_random_var_wait(long, unsigned long)
#undef declare_get_random_var
#ifdef CONFIG_SMP
int random_prepare_cpu(unsigned int cpu);
int random_online_cpu(unsigned int cpu);