linux-kernel - [PATCH v3 01/17] crypto: talitos - Use zero entry to init descriptors ptrs to zero

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Message-Id: <20150417142354.5AE601A242C@localhost.localdomain>
Date:	Tue, 3 Mar 2015 02:46:35 +0100
From:	Christophe Leroy <christophe.leroy@....fr>
To:	Kim Phillips <kim.phillips@...escale.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	David S Miller <davem@...emloft.net>
Cc:	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	linux-crypto@...r.kernel.org
Subject: [PATCH v3 01/17] crypto: talitos - Use zero entry to init descriptors
 ptrs to zero

Do use zero_entry value to init the descriptors ptrs to zero instead of
writing 0 in each field

Signed-off-by: Christophe Leroy <christophe.leroy@....fr>
---
 drivers/crypto/talitos.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 857414a..7bf1b2b 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -1373,9 +1373,7 @@ static int common_nonsnoop(struct talitos_edesc *edesc,
 	int sg_count, ret;
 
 	/* first DWORD empty */
-	desc->ptr[0].len = 0;
-	to_talitos_ptr(&desc->ptr[0], 0);
-	desc->ptr[0].j_extent = 0;
+	desc->ptr[0] = zero_entry;
 
 	/* cipher iv */
 	to_talitos_ptr(&desc->ptr[1], edesc->iv_dma);
@@ -1445,9 +1443,7 @@ static int common_nonsnoop(struct talitos_edesc *edesc,
 			       DMA_FROM_DEVICE);
 
 	/* last DWORD empty */
-	desc->ptr[6].len = 0;
-	to_talitos_ptr(&desc->ptr[6], 0);
-	desc->ptr[6].j_extent = 0;
+	desc->ptr[6] = zero_entry;
 
 	ret = talitos_submit(dev, ctx->ch, desc, callback, areq);
 	if (ret != -EINPROGRESS) {
-- 
2.1.0

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