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From: Gilad Ben-Yossef <gilad@benyossef.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Ofir Drang <ofir.drang@arm.com>,
	linux-crypto@vger.kernel.org,
	driverdev-devel@linuxdriverproject.org,
	devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Subject: [PATCH 07/24] staging: ccree: simplify expression with local var
Date: Tue, 12 Dec 2017 14:52:53 +0000	[thread overview]
Message-ID: <1513090395-7938-8-git-send-email-gilad@benyossef.com> (raw)
In-Reply-To: <1513090395-7938-1-git-send-email-gilad@benyossef.com>

Simplify expression by using a local variable for better code
readability.

Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
---
 drivers/staging/ccree/ssi_buffer_mgr.c | 22 ++++++++++------------
 1 file changed, 10 insertions(+), 12 deletions(-)

diff --git a/drivers/staging/ccree/ssi_buffer_mgr.c b/drivers/staging/ccree/ssi_buffer_mgr.c
index 099d83d..490dd5a 100644
--- a/drivers/staging/ccree/ssi_buffer_mgr.c
+++ b/drivers/staging/ccree/ssi_buffer_mgr.c
@@ -917,6 +917,7 @@ static int cc_prepare_aead_data_mlli(struct ssi_drvdata *drvdata,
 	unsigned int authsize = areq_ctx->req_authsize;
 	int rc = 0, icv_nents;
 	struct device *dev = drvdata_to_dev(drvdata);
+	struct scatterlist *sg;
 
 	if (req->src == req->dst) {
 		/*INPLACE*/
@@ -955,12 +956,11 @@ static int cc_prepare_aead_data_mlli(struct ssi_drvdata *drvdata,
 					areq_ctx->mac_buf_dma_addr;
 			}
 		} else { /* Contig. ICV */
+			sg = &areq_ctx->src_sgl[areq_ctx->src.nents - 1];
 			/*Should hanlde if the sg is not contig.*/
-			areq_ctx->icv_dma_addr = sg_dma_address(
-				&areq_ctx->src_sgl[areq_ctx->src.nents - 1]) +
+			areq_ctx->icv_dma_addr = sg_dma_address(sg) +
 				(*src_last_bytes - authsize);
-			areq_ctx->icv_virt_addr = sg_virt(
-				&areq_ctx->src_sgl[areq_ctx->src.nents - 1]) +
+			areq_ctx->icv_virt_addr = sg_virt(sg) +
 				(*src_last_bytes - authsize);
 		}
 
@@ -993,12 +993,11 @@ static int cc_prepare_aead_data_mlli(struct ssi_drvdata *drvdata,
 			areq_ctx->icv_virt_addr = areq_ctx->backup_mac;
 
 		} else { /* Contig. ICV */
+			sg = &areq_ctx->src_sgl[areq_ctx->src.nents - 1];
 			/*Should hanlde if the sg is not contig.*/
-			areq_ctx->icv_dma_addr = sg_dma_address(
-				&areq_ctx->src_sgl[areq_ctx->src.nents - 1]) +
+			areq_ctx->icv_dma_addr = sg_dma_address(sg) +
 				(*src_last_bytes - authsize);
-			areq_ctx->icv_virt_addr = sg_virt(
-				&areq_ctx->src_sgl[areq_ctx->src.nents - 1]) +
+			areq_ctx->icv_virt_addr = sg_virt(sg) +
 				(*src_last_bytes - authsize);
 		}
 
@@ -1023,12 +1022,11 @@ static int cc_prepare_aead_data_mlli(struct ssi_drvdata *drvdata,
 		}
 
 		if (!areq_ctx->is_icv_fragmented) {
+			sg = &areq_ctx->dst_sgl[areq_ctx->dst.nents - 1];
 			/* Contig. ICV */
-			areq_ctx->icv_dma_addr = sg_dma_address(
-				&areq_ctx->dst_sgl[areq_ctx->dst.nents - 1]) +
+			areq_ctx->icv_dma_addr = sg_dma_address(sg) +
 				(*dst_last_bytes - authsize);
-			areq_ctx->icv_virt_addr = sg_virt(
-				&areq_ctx->dst_sgl[areq_ctx->dst.nents - 1]) +
+			areq_ctx->icv_virt_addr = sg_virt(sg) +
 				(*dst_last_bytes - authsize);
 		} else {
 			areq_ctx->icv_dma_addr = areq_ctx->mac_buf_dma_addr;
-- 
2.7.4

WARNING: multiple messages have this Message-ID (diff)
From: Gilad Ben-Yossef <gilad@benyossef.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org,
	driverdev-devel@linuxdriverproject.org,
	linux-crypto@vger.kernel.org, Ofir Drang <ofir.drang@arm.com>
Subject: [PATCH 07/24] staging: ccree: simplify expression with local var
Date: Tue, 12 Dec 2017 14:52:53 +0000	[thread overview]
Message-ID: <1513090395-7938-8-git-send-email-gilad@benyossef.com> (raw)
In-Reply-To: <1513090395-7938-1-git-send-email-gilad@benyossef.com>

Simplify expression by using a local variable for better code
readability.

Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
---
 drivers/staging/ccree/ssi_buffer_mgr.c | 22 ++++++++++------------
 1 file changed, 10 insertions(+), 12 deletions(-)

diff --git a/drivers/staging/ccree/ssi_buffer_mgr.c b/drivers/staging/ccree/ssi_buffer_mgr.c
index 099d83d..490dd5a 100644
--- a/drivers/staging/ccree/ssi_buffer_mgr.c
+++ b/drivers/staging/ccree/ssi_buffer_mgr.c
@@ -917,6 +917,7 @@ static int cc_prepare_aead_data_mlli(struct ssi_drvdata *drvdata,
 	unsigned int authsize = areq_ctx->req_authsize;
 	int rc = 0, icv_nents;
 	struct device *dev = drvdata_to_dev(drvdata);
+	struct scatterlist *sg;
 
 	if (req->src == req->dst) {
 		/*INPLACE*/
@@ -955,12 +956,11 @@ static int cc_prepare_aead_data_mlli(struct ssi_drvdata *drvdata,
 					areq_ctx->mac_buf_dma_addr;
 			}
 		} else { /* Contig. ICV */
+			sg = &areq_ctx->src_sgl[areq_ctx->src.nents - 1];
 			/*Should hanlde if the sg is not contig.*/
-			areq_ctx->icv_dma_addr = sg_dma_address(
-				&areq_ctx->src_sgl[areq_ctx->src.nents - 1]) +
+			areq_ctx->icv_dma_addr = sg_dma_address(sg) +
 				(*src_last_bytes - authsize);
-			areq_ctx->icv_virt_addr = sg_virt(
-				&areq_ctx->src_sgl[areq_ctx->src.nents - 1]) +
+			areq_ctx->icv_virt_addr = sg_virt(sg) +
 				(*src_last_bytes - authsize);
 		}
 
@@ -993,12 +993,11 @@ static int cc_prepare_aead_data_mlli(struct ssi_drvdata *drvdata,
 			areq_ctx->icv_virt_addr = areq_ctx->backup_mac;
 
 		} else { /* Contig. ICV */
+			sg = &areq_ctx->src_sgl[areq_ctx->src.nents - 1];
 			/*Should hanlde if the sg is not contig.*/
-			areq_ctx->icv_dma_addr = sg_dma_address(
-				&areq_ctx->src_sgl[areq_ctx->src.nents - 1]) +
+			areq_ctx->icv_dma_addr = sg_dma_address(sg) +
 				(*src_last_bytes - authsize);
-			areq_ctx->icv_virt_addr = sg_virt(
-				&areq_ctx->src_sgl[areq_ctx->src.nents - 1]) +
+			areq_ctx->icv_virt_addr = sg_virt(sg) +
 				(*src_last_bytes - authsize);
 		}
 
@@ -1023,12 +1022,11 @@ static int cc_prepare_aead_data_mlli(struct ssi_drvdata *drvdata,
 		}
 
 		if (!areq_ctx->is_icv_fragmented) {
+			sg = &areq_ctx->dst_sgl[areq_ctx->dst.nents - 1];
 			/* Contig. ICV */
-			areq_ctx->icv_dma_addr = sg_dma_address(
-				&areq_ctx->dst_sgl[areq_ctx->dst.nents - 1]) +
+			areq_ctx->icv_dma_addr = sg_dma_address(sg) +
 				(*dst_last_bytes - authsize);
-			areq_ctx->icv_virt_addr = sg_virt(
-				&areq_ctx->dst_sgl[areq_ctx->dst.nents - 1]) +
+			areq_ctx->icv_virt_addr = sg_virt(sg) +
 				(*dst_last_bytes - authsize);
 		} else {
 			areq_ctx->icv_dma_addr = areq_ctx->mac_buf_dma_addr;
-- 
2.7.4

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  parent reply	other threads:[~2017-12-12 14:52 UTC|newest]

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-12 14:52 [PATCH 00/24] staging: ccree: cleanups and simplification Gilad Ben-Yossef
2017-12-12 14:52 ` Gilad Ben-Yossef
2017-12-12 14:52 ` [PATCH 01/24] staging: ccree: remove ahash wrappers Gilad Ben-Yossef
2017-12-12 14:52   ` Gilad Ben-Yossef
2017-12-12 14:52   ` Gilad Ben-Yossef
2017-12-12 14:52 ` [PATCH 02/24] staging: ccree: fix hash naming convention Gilad Ben-Yossef
2017-12-12 14:52   ` Gilad Ben-Yossef
2017-12-12 14:52   ` Gilad Ben-Yossef
2017-12-12 14:52 ` [PATCH 03/24] staging: ccree: amend hash func def for readability Gilad Ben-Yossef
2017-12-12 14:52   ` Gilad Ben-Yossef
2017-12-12 14:52 ` [PATCH 04/24] staging: ccree: func params should follow func name Gilad Ben-Yossef
2017-12-12 14:52   ` Gilad Ben-Yossef
2017-12-12 14:52   ` Gilad Ben-Yossef
2017-12-12 14:52 ` [PATCH 05/24] staging: ccree: shorten parameter name Gilad Ben-Yossef
2017-12-12 14:52   ` Gilad Ben-Yossef
2017-12-12 14:52   ` Gilad Ben-Yossef
2017-12-12 14:52 ` [PATCH 06/24] staging: ccree: fix func def and decl coding style Gilad Ben-Yossef
2017-12-12 14:52   ` Gilad Ben-Yossef
2017-12-12 14:52   ` Gilad Ben-Yossef
2017-12-12 14:52 ` Gilad Ben-Yossef [this message]
2017-12-12 14:52   ` [PATCH 07/24] staging: ccree: simplify expression with local var Gilad Ben-Yossef
2017-12-12 14:52 ` [PATCH 08/24] staging: ccree: fix func call param indentation Gilad Ben-Yossef
2017-12-12 14:52   ` Gilad Ben-Yossef
2017-12-12 14:52 ` [PATCH 09/24] staging: ccree: fix reg mgr naming convention Gilad Ben-Yossef
2017-12-12 14:52   ` Gilad Ben-Yossef
2017-12-12 14:52   ` Gilad Ben-Yossef
2017-12-12 14:52 ` [PATCH 10/24] staging: ccree: fix req mgr func def coding style Gilad Ben-Yossef
2017-12-12 14:52 ` [PATCH 11/24] staging: ccree: remove cipher sync blkcipher remains Gilad Ben-Yossef
2017-12-12 14:52   ` Gilad Ben-Yossef
2017-12-12 14:52 ` [PATCH 12/24] staging: ccree: fix cipher naming convention Gilad Ben-Yossef
2017-12-12 14:52   ` Gilad Ben-Yossef
2017-12-12 14:52 ` [PATCH 13/24] staging: ccree: fix cipher func def coding style Gilad Ben-Yossef
2017-12-12 14:52   ` Gilad Ben-Yossef
2017-12-12 14:52   ` Gilad Ben-Yossef
2017-12-12 14:53 ` [PATCH 14/24] staging: ccree: fix ivgen naming convention Gilad Ben-Yossef
2017-12-12 14:53   ` Gilad Ben-Yossef
2017-12-12 14:53   ` Gilad Ben-Yossef
2017-12-12 14:53 ` [PATCH 15/24] staging: ccree: fix ivgen func def coding style Gilad Ben-Yossef
2017-12-12 14:53   ` Gilad Ben-Yossef
2017-12-12 14:53   ` Gilad Ben-Yossef
2017-12-12 14:53 ` [PATCH 16/24] staging: ccree: drop unsupported MULTI2 mode code Gilad Ben-Yossef
2017-12-12 14:53   ` Gilad Ben-Yossef
2017-12-12 14:53 ` [PATCH 17/24] staging: ccree: remove SSI_CC_HAS_ macros Gilad Ben-Yossef
2017-12-12 14:53   ` Gilad Ben-Yossef
2017-12-12 14:53   ` Gilad Ben-Yossef
2017-12-12 14:53 ` [PATCH 18/24] staging: ccree: rename all SSI to CC Gilad Ben-Yossef
2017-12-12 14:53   ` Gilad Ben-Yossef
2017-12-12 14:53 ` [PATCH 19/24] staging: ccree: rename all DX " Gilad Ben-Yossef
2017-12-12 14:53   ` Gilad Ben-Yossef
2017-12-12 14:53 ` [PATCH 20/24] staging: ccree: rename vars/structs/enums from ssi_ to cc_ Gilad Ben-Yossef
2017-12-12 14:53   ` Gilad Ben-Yossef
2017-12-12 14:53   ` Gilad Ben-Yossef
2017-12-12 14:53 ` [PATCH 21/24] staging: ccree: fix buf mgr naming convention Gilad Ben-Yossef
2017-12-12 14:53   ` Gilad Ben-Yossef
2017-12-12 14:53   ` Gilad Ben-Yossef
2017-12-12 14:53 ` [PATCH 22/24] staging: ccree: fix sram " Gilad Ben-Yossef
2017-12-12 14:53   ` Gilad Ben-Yossef
2017-12-12 14:53   ` Gilad Ben-Yossef
2017-12-12 14:53 ` [PATCH 23/24] staging: ccree: simplify freeing SRAM memory address Gilad Ben-Yossef
2017-12-12 14:53   ` Gilad Ben-Yossef
2017-12-12 14:53   ` Gilad Ben-Yossef
2017-12-12 14:53 ` [PATCH 24/24] staging: ccree: fix FIPS mgr naming convention Gilad Ben-Yossef
2017-12-12 14:53   ` Gilad Ben-Yossef
2017-12-12 14:53   ` Gilad Ben-Yossef

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