From: Antoine Tenart <antoine.tenart@bootlin.com>
Date: Tue, 13 Feb 2018 09:26:52 +0100
Subject: crypto: inside-secure - fix the extra cache computation
Git-commit: c1a8fa6e240ed4b99778d48ab790743565cb61c8
Patch-mainline: v4.17-rc1
References: fate#326470
This patch fixes the extra cache computation when the queued data is a
multiple of a block size. This fixes the hash support in some cases.
Fixes: 809778e02cd4 ("crypto: inside-secure - fix hash when length is a multiple of a block")
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
drivers/crypto/inside-secure/safexcel_hash.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c
index 122a2a58e98f..8fac23b78da5 100644
--- a/drivers/crypto/inside-secure/safexcel_hash.c
+++ b/drivers/crypto/inside-secure/safexcel_hash.c
@@ -198,7 +198,7 @@ static int safexcel_ahash_send_req(struct crypto_async_request *async, int ring,
/* If this is not the last request and the queued data
* is a multiple of a block, cache the last one for now.
*/
- extra = queued - crypto_ahash_blocksize(ahash);
+ extra = crypto_ahash_blocksize(ahash);
if (extra) {
sg_pcopy_to_buffer(areq->src, sg_nents(areq->src),
--
2.11.0