From: Devulapally Shiva Krishna <shiva@chelsio.com>
Date: Tue, 5 May 2020 08:42:57 +0530
Subject: Crypto/chcr: fix for hmac(sha) test fails
Patch-mainline: v5.8-rc1
Git-commit: 02f58e5bf2e98bf7543019d7bba21f83ff8abb13
References: jsc#SLE-15129

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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/crypto/chelsio/chcr_algo.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/crypto/chelsio/chcr_algo.c
+++ b/drivers/crypto/chelsio/chcr_algo.c
@@ -2015,7 +2015,7 @@ static int chcr_ahash_digest(struct ahas
 	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;
 	}