[CRYPTO] null: Allow setkey on digest_null

We need to allow setkey on digest_null if it is to be used directly by
authenc instead of through hmac.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 1 insertions, 0 deletions

diff --git a/crypto/crypto_null.c b/crypto/crypto_null.c
index fc2d2a4d7789..ff7b3de1bcfd 100644
--- a/crypto/crypto_null.c
+++ b/crypto/crypto_null.c
@@ -98,6 +98,7 @@ static struct crypto_alg digest_null = {
         .cra_list               =       LIST_HEAD_INIT(digest_null.cra_list),   
         .cra_u                  =       { .digest = {
         .dia_digestsize         =       NULL_DIGEST_SIZE,
+        .dia_setkey             =       null_setkey,
         .dia_init               =       null_init,
         .dia_update             =       null_update,
         .dia_final              =       null_final } }