[media] ivtv: use for_each_sg
authorGeliang Tang <geliangtang@gmail.com>
Fri, 24 Mar 2017 14:12:24 +0000 (11:12 -0300)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Wed, 5 Apr 2017 18:17:15 +0000 (15:17 -0300)
Use for_each_sg() instead of open-coding it.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
drivers/media/pci/ivtv/ivtv-udma.c

index 2c9232e..3b33e87 100644 (file)
@@ -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);