[PATCH v2 03/10] staging: ccree: simplify AEAD using local var

From: Gilad Ben-Yossef
Date: Thu Nov 09 2017 - 04:17:51 EST


Make the code more readable by using a local variable
for commonly use expression in the AEAD part of the driver.

Signed-off-by: Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx>
---
drivers/staging/ccree/ssi_aead.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/ccree/ssi_aead.c b/drivers/staging/ccree/ssi_aead.c
index 0b5b230..a8e1371 100644
--- a/drivers/staging/ccree/ssi_aead.c
+++ b/drivers/staging/ccree/ssi_aead.c
@@ -251,13 +251,11 @@ static void ssi_aead_complete(struct device *dev, void *ssi_req, void __iomem *c
}
} else { /*ENCRYPT*/
if (unlikely(areq_ctx->is_icv_fragmented)) {
+ u32 skip = areq->cryptlen + areq_ctx->dst_offset;
+
cc_copy_sg_portion(dev, areq_ctx->mac_buf,
- areq_ctx->dst_sgl,
- (areq->cryptlen +
- areq_ctx->dst_offset),
- (areq->cryptlen +
- areq_ctx->dst_offset +
- ctx->authsize),
+ areq_ctx->dst_sgl, skip,
+ (skip + ctx->authsize),
SSI_SG_FROM_BUF);
}

--
2.7.4