crypto: drbg - make drbg_fips_continuous_test() return bool

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Currently, drbg_fips_continuous_test() only returns 0 and -EAGAIN, so an
early return from the *do*/*while* loop in drbg_get_random_bytes() just
isn't possible. Make drbg_fips_continuous_test() return bool instead of
*int* (using true instead of 0 and false instead of -EAGAIN). This way,
we can further simplify drbg_get_random_bytes()...

Found by Linux Verification Center (linuxtesting.org) with the Svace static
analysis tool.

Suggested-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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Sergey Shtylyov 2025-12-17 23:21:44 +03:00 • committed by Herbert Xu

parent eb6449aa7b

commit 6acd394367

1 changed files with 11 additions and 17 deletions

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crypto/drbg.c

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