linux-kernel - [PATCH] [media] ivtv: use for_each

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Date:   Fri, 24 Mar 2017 22:12:24 +0800
From:   Geliang Tang <geliangtang@...il.com>
To:     Andy Walls <awalls@...metrocast.net>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     Geliang Tang <geliangtang@...il.com>, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] [media] ivtv: use for_each_sg

Use for_each_sg() instead of open-coding it.

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

diff --git a/drivers/media/pci/ivtv/ivtv-udma.c b/drivers/media/pci/ivtv/ivtv-udma.c
index 2c9232e..3b33e87 100644
--- a/drivers/media/pci/ivtv/ivtv-udma.c
+++ b/drivers/media/pci/ivtv/ivtv-udma.c
@@ -76,7 +76,7 @@ void ivtv_udma_fill_sg_array (struct ivtv_user_dma *dma, u32 buffer_offset, u32
 	int i;
 	struct scatterlist *sg;
 
-	for (i = 0, sg = dma->SGlist; i < dma->SG_length; i++, sg = sg_next(sg)) {
+	for_each_sg(dma->SGlist, sg, dma->SG_length, i) {
 		dma->SGarray[i].size = cpu_to_le32(sg_dma_len(sg));
 		dma->SGarray[i].src = cpu_to_le32(sg_dma_address(sg));
 		dma->SGarray[i].dst = cpu_to_le32(buffer_offset);
-- 
2.9.3