ftrace: fix current_tracer error return

[safe/jmp/linux-2.6] / crypto / blkcipher.c

diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c
index ca6ef06..4a7e65c 100644 (file)
--- 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;