[SG] Update drivers to use sg helpers

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 9 insertions, 5 deletions

diff --git a/drivers/net/mlx4/icm.c b/drivers/net/mlx4/icm.c
index 4b3c109d5eae..887633b207d9 100644
--- a/drivers/net/mlx4/icm.c
+++ b/drivers/net/mlx4/icm.c
@@ -60,7 +60,7 @@ static void mlx4_free_icm_pages(struct mlx4_dev *dev, struct mlx4_icm_chunk *chu
                              PCI_DMA_BIDIRECTIONAL);
 
         for (i = 0; i < chunk->npages; ++i)
-                __free_pages(chunk->mem[i].page,
+                __free_pages(sg_page(&chunk->mem[i]),
                              get_order(chunk->mem[i].length));
 }
 
@@ -70,7 +70,7 @@ static void mlx4_free_icm_coherent(struct mlx4_dev *dev, struct mlx4_icm_chunk *
 
         for (i = 0; i < chunk->npages; ++i)
                 dma_free_coherent(&dev->pdev->dev, chunk->mem[i].length,
-                                  lowmem_page_address(chunk->mem[i].page),
+                                  lowmem_page_address(sg_page(&chunk->mem[i])),
                                   sg_dma_address(&chunk->mem[i]));
 }
 
@@ -95,10 +95,13 @@ void mlx4_free_icm(struct mlx4_dev *dev, struct mlx4_icm *icm, int coherent)
 
 static int mlx4_alloc_icm_pages(struct scatterlist *mem, int order, gfp_t gfp_mask)
 {
-        mem->page = alloc_pages(gfp_mask, order);
-        if (!mem->page)
+        struct page *page;
+
+        page = alloc_pages(gfp_mask, order);
+        if (!page)
                 return -ENOMEM;
 
+        sg_set_page(mem, page);
         mem->length = PAGE_SIZE << order;
         mem->offset = 0;
         return 0;
@@ -145,6 +148,7 @@ struct mlx4_icm *mlx4_alloc_icm(struct mlx4_dev *dev, int npages,
                         if (!chunk)
                                 goto fail;
 
+                        sg_init_table(chunk->mem, MLX4_ICM_CHUNK_LEN);
                         chunk->npages = 0;
                         chunk->nsg    = 0;
                         list_add_tail(&chunk->list, &icm->chunk_list);
@@ -334,7 +338,7 @@ void *mlx4_table_find(struct mlx4_icm_table *table, int obj, dma_addr_t *dma_han
                          * been assigned to.
                          */
                         if (chunk->mem[i].length > offset) {
-                                page = chunk->mem[i].page;
+                                page = sg_page(&chunk->mem[i]);
                                 goto out;
                         }
                         offset -= chunk->mem[i].length;