nfsd: minor write_pool_threads exit cleanup

[safe/jmp/linux-2.6] / net / core / skb_dma_map.c

diff --git a/net/core/skb_dma_map.c b/net/core/skb_dma_map.c
index 1f49afc..79687df 100644 (file)
--- a/net/core/skb_dma_map.c
+++ b/net/core/skb_dma_map.c
@@ -20,7 +20,7 @@ int skb_dma_map(struct device *dev, struct sk_buff *skb,
        if (dma_mapping_error(dev, map))
                goto out_err;
 
-       sp->dma_maps[0] = map;
+       sp->dma_head = map;
        for (i = 0; i < sp->nr_frags; i++) {
                skb_frag_t *fp = &sp->frags[i];
 
@@ -28,20 +28,19 @@ int skb_dma_map(struct device *dev, struct sk_buff *skb,
                                   fp->size, dir);
                if (dma_mapping_error(dev, map))
                        goto unwind;
-               sp->dma_maps[i + 1] = map;
+               sp->dma_maps[i] = map;
        }
-       sp->num_dma_maps = i + 1;
 
        return 0;
 
 unwind:
-       while (i-- >= 0) {
+       while (--i >= 0) {
                skb_frag_t *fp = &sp->frags[i];
 
-               dma_unmap_page(dev, sp->dma_maps[i + 1],
+               dma_unmap_page(dev, sp->dma_maps[i],
                               fp->size, dir);
        }
-       dma_unmap_single(dev, sp->dma_maps[0],
+       dma_unmap_single(dev, sp->dma_head,
                         skb_headlen(skb), dir);
 out_err:
        return -ENOMEM;
@@ -54,12 +53,12 @@ void skb_dma_unmap(struct device *dev, struct sk_buff *skb,
        struct skb_shared_info *sp = skb_shinfo(skb);
        int i;
 
-       dma_unmap_single(dev, sp->dma_maps[0],
+       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 + 1],
+               dma_unmap_page(dev, sp->dma_maps[i],
                               fp->size, dir);
        }
 }