Commit ef15fd6c authored by Herbert Xu's avatar Herbert Xu Committed by Willy Tarreau

crypto: gcm - Filter out async ghash if necessary

commit b30bdfa8 upstream.

As it is if you ask for a sync gcm you may actually end up with
an async one because it does not filter out async implementations
of ghash.

This patch fixes this by adding the necessary filter when looking
for ghash.
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarWilly Tarreau <w@1wt.eu>
parent 7e2e2115
...@@ -716,7 +716,9 @@ static struct crypto_instance *crypto_gcm_alloc_common(struct rtattr **tb, ...@@ -716,7 +716,9 @@ static struct crypto_instance *crypto_gcm_alloc_common(struct rtattr **tb,
ghash_alg = crypto_find_alg(ghash_name, &crypto_ahash_type, ghash_alg = crypto_find_alg(ghash_name, &crypto_ahash_type,
CRYPTO_ALG_TYPE_HASH, CRYPTO_ALG_TYPE_HASH,
CRYPTO_ALG_TYPE_AHASH_MASK); CRYPTO_ALG_TYPE_AHASH_MASK |
crypto_requires_sync(algt->type,
algt->mask));
if (IS_ERR(ghash_alg)) if (IS_ERR(ghash_alg))
return ERR_CAST(ghash_alg); return ERR_CAST(ghash_alg);
......
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