1 files changed, 0 insertions, 65 deletions

diff --git a/net/core/skb_dma_map.c b/net/core/skb_dma_map.c
deleted file mode 100644
index 79687dfd6957..000000000000
--- a/net/core/skb_dma_map.c
+++ /dev/null
@@ -1,65 +0,0 @@
-/* skb_dma_map.c: DMA mapping helpers for socket buffers.
- *
- * Copyright (C) David S. Miller <davem@davemloft.net>
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/dma-mapping.h>
-#include <linux/skbuff.h>
-
-int skb_dma_map(struct device *dev, struct sk_buff *skb,
-                enum dma_data_direction dir)
-{
-        struct skb_shared_info *sp = skb_shinfo(skb);
-        dma_addr_t map;
-        int i;
-
-        map = dma_map_single(dev, skb->data,
-                             skb_headlen(skb), dir);
-        if (dma_mapping_error(dev, map))
-                goto out_err;
-
-        sp->dma_head = map;
-        for (i = 0; i < sp->nr_frags; i++) {
-                skb_frag_t *fp = &sp->frags[i];
-
-                map = dma_map_page(dev, fp->page, fp->page_offset,
-                                   fp->size, dir);
-                if (dma_mapping_error(dev, map))
-                        goto unwind;
-                sp->dma_maps[i] = map;
-        }
-
-        return 0;
-
-unwind:
-        while (--i >= 0) {
-                skb_frag_t *fp = &sp->frags[i];
-
-                dma_unmap_page(dev, sp->dma_maps[i],
-                               fp->size, dir);
-        }
-        dma_unmap_single(dev, sp->dma_head,
-                         skb_headlen(skb), dir);
-out_err:
-        return -ENOMEM;
-}
-EXPORT_SYMBOL(skb_dma_map);
-
-void skb_dma_unmap(struct device *dev, struct sk_buff *skb,
-                   enum dma_data_direction dir)
-{
-        struct skb_shared_info *sp = skb_shinfo(skb);
-        int i;
-
-        dma_unmap_single(dev, sp->dma_head,
-                         skb_headlen(skb), dir);
-        for (i = 0; i < sp->nr_frags; i++) {
-                skb_frag_t *fp = &sp->frags[i];
-
-                dma_unmap_page(dev, sp->dma_maps[i],
-                               fp->size, dir);
-        }
-}
-EXPORT_SYMBOL(skb_dma_unmap);