linux-kernel - [PATCH] crypto: ixp4xx

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Message-Id: <a41fae798473b657f09859ae113403655b1717f9.1490258141.git.geliangtang@gmail.com>
Date:   Thu, 23 Mar 2017 21:16:30 +0800
From:   Geliang Tang <geliangtang@...il.com>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>
Cc:     Geliang Tang <geliangtang@...il.com>, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] crypto: ixp4xx - Use sg_virt()

Use sg_virt() instead of open-coding it.

Signed-off-by: Geliang Tang <geliangtang@...il.com>
---
 drivers/crypto/ixp4xx_crypto.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c
index 7868765..771dd26 100644
--- a/drivers/crypto/ixp4xx_crypto.c
+++ b/drivers/crypto/ixp4xx_crypto.c
@@ -806,7 +806,7 @@ static struct buffer_desc *chainup_buffers(struct device *dev,
 		void *ptr;
 
 		nbytes -= len;
-		ptr = page_address(sg_page(sg)) + sg->offset;
+		ptr = sg_virt(sg);
 		next_buf = dma_pool_alloc(buffer_pool, flags, &next_buf_phys);
 		if (!next_buf) {
 			buf = NULL;
-- 
2.9.3