1 files changed, 4 insertions, 0 deletions

diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c
index ca6ef065cded..4a7e65c4df4d 100644
--- a/crypto/blkcipher.c
+++ b/crypto/blkcipher.c
@@ -450,6 +450,10 @@ static int crypto_init_blkcipher_ops_async(struct crypto_tfm *tfm)
         crt->setkey = async_setkey;
         crt->encrypt = async_encrypt;
         crt->decrypt = async_decrypt;
+        if (!alg->ivsize) {
+                crt->givencrypt = skcipher_null_givencrypt;
+                crt->givdecrypt = skcipher_null_givdecrypt;
+        }
         crt->base = __crypto_ablkcipher_cast(tfm);
         crt->ivsize = alg->ivsize;