4.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Antoine Tenart <antoine.tenart@xxxxxxxxxxx>
[ Upstream commit c1a8fa6e240ed4b99778d48ab790743565cb61c8 ]
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@xxxxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/crypto/inside-secure/safexcel_hash.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/crypto/inside-secure/safexcel_hash.c
+++ b/drivers/crypto/inside-secure/safexcel_hash.c
@@ -199,7 +199,7 @@ static int safexcel_ahash_send_req(struc
/* 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),
