Crypto/chcr: fix for hmac(sha) test fails

The hmac(sha) test fails for a zero length source text data.
For hmac(sha) minimum length of the data must be of block-size.
So fix this by including the data_len for the last block.
Signed-off-by: Ayush Sawal <ayush.sawal@chelsio.com>
Signed-off-by: Devulapally Shiva Krishna <shiva@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/crypto/chelsio/chcr_algo.c

@@ -2005,7 +2005,7 @@ static int chcr_ahash_digest(struct ahash_request *req)
 	req_ctx->data_len += params.bfr_len + params.sg_len;
 
 	if (req->nbytes == 0) {
-		create_last_hash_block(req_ctx->reqbfr, bs, 0);
+		create_last_hash_block(req_ctx->reqbfr, bs, req_ctx->data_len);
 		params.more = 1;
 		params.bfr_len = bs;
 	}