[PATCH 1/4] crypto: qce: Remove unneeded length check for scatterlist

From: Iaroslav Gridin
Date: Tue Aug 30 2016 - 11:54:39 EST


From: Voker57 <voker57@xxxxxxxxx>

Current code avoids supplying scatterlist containing more data than used
to DMA. This leads to dropping data from scatterlists which would
leave some for next run.
Signed-off-by: Iaroslav Gridin <voker57@xxxxxxxxx>
---
drivers/crypto/qce/sha.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/drivers/crypto/qce/sha.c b/drivers/crypto/qce/sha.c
index 47e114a..a124bb9 100644
--- a/drivers/crypto/qce/sha.c
+++ b/drivers/crypto/qce/sha.c
@@ -282,8 +282,6 @@ static int qce_ahash_update(struct ahash_request *req)
sg = sg_last = req->src;

while (len < nbytes && sg) {
- if (len + sg_dma_len(sg) > nbytes)
- break;
len += sg_dma_len(sg);
sg_last = sg;
sg = sg_next(sg);
--
2.9.3