crypto: gcm - Filter out async ghash if necessary

[cascardo/linux.git] / crypto / gcm.c

diff --git a/crypto/gcm.c b/crypto/gcm.c
index bec329b..d9ea5f9 100644 (file)
--- a/crypto/gcm.c
+++ b/crypto/gcm.c
@@ -639,7 +639,9 @@ static int crypto_gcm_create_common(struct crypto_template *tmpl,
 
        ghash_alg = crypto_find_alg(ghash_name, &crypto_ahash_type,
                                    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))
                return PTR_ERR(ghash_alg);