diff options
Diffstat (limited to 'crypto/api.c')
| -rw-r--r-- | crypto/api.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/crypto/api.c b/crypto/api.c index 22556907b3bc..ffb81aa32725 100644 --- a/crypto/api.c +++ b/crypto/api.c @@ -37,6 +37,8 @@ DEFINE_STATIC_KEY_FALSE(__crypto_boot_test_finished); #endif static struct crypto_alg *crypto_larval_wait(struct crypto_alg *alg); +static struct crypto_alg *crypto_alg_lookup(const char *name, u32 type, + u32 mask); struct crypto_alg *crypto_mod_get(struct crypto_alg *alg) { @@ -201,9 +203,12 @@ static void crypto_start_test(struct crypto_larval *larval) static struct crypto_alg *crypto_larval_wait(struct crypto_alg *alg) { - struct crypto_larval *larval = (void *)alg; + struct crypto_larval *larval; long time_left; +again: + larval = container_of(alg, struct crypto_larval, alg); + if (!crypto_boot_test_finished()) crypto_start_test(larval); @@ -215,9 +220,16 @@ static struct crypto_alg *crypto_larval_wait(struct crypto_alg *alg) alg = ERR_PTR(-EINTR); else if (!time_left) alg = ERR_PTR(-ETIMEDOUT); - else if (!alg) - alg = ERR_PTR(-ENOENT); - else if (IS_ERR(alg)) + else if (!alg) { + u32 type; + u32 mask; + + alg = &larval->alg; + type = alg->cra_flags & ~(CRYPTO_ALG_LARVAL | CRYPTO_ALG_DEAD); + mask = larval->mask; + alg = crypto_alg_lookup(alg->cra_name, type, mask) ?: + ERR_PTR(-ENOENT); + } else if (IS_ERR(alg)) ; else if (crypto_is_test_larval(larval) && !(alg->cra_flags & CRYPTO_ALG_TESTED)) @@ -228,6 +240,9 @@ static struct crypto_alg *crypto_larval_wait(struct crypto_alg *alg) alg = ERR_PTR(-EAGAIN); crypto_mod_put(&larval->alg); + if (!IS_ERR(alg) && crypto_is_larval(alg)) + goto again; + return alg; } |