diff options
Diffstat (limited to 'crypto/cipher.c')
| -rw-r--r-- | crypto/cipher.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/crypto/cipher.c b/crypto/cipher.c index a5a88038f0d6..47c77a3e5978 100644 --- a/crypto/cipher.c +++ b/crypto/cipher.c @@ -101,10 +101,15 @@ struct crypto_cipher *crypto_clone_cipher(struct crypto_cipher *cipher) if (alg->cra_init) return ERR_PTR(-ENOSYS); + if (unlikely(!crypto_mod_get(alg))) + return ERR_PTR(-ESTALE); + ntfm = __crypto_alloc_tfmgfp(alg, CRYPTO_ALG_TYPE_CIPHER, CRYPTO_ALG_TYPE_MASK, GFP_ATOMIC); - if (IS_ERR(ntfm)) + if (IS_ERR(ntfm)) { + crypto_mod_put(alg); return ERR_CAST(ntfm); + } ntfm->crt_flags = tfm->crt_flags; |