diff options
Diffstat (limited to 'net/core/skbuff.c')
| -rw-r--r-- | net/core/skbuff.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index e27334ec367..296afd0aa8d 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -326,7 +326,7 @@ static void skb_release_data(struct sk_buff *skb) if (skb_shinfo(skb)->nr_frags) { int i; for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) - put_page(skb_shinfo(skb)->frags[i].page); + skb_frag_unref(skb, i); } /* @@ -809,7 +809,7 @@ struct sk_buff *pskb_copy(struct sk_buff *skb, gfp_t gfp_mask) } for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { skb_shinfo(n)->frags[i] = skb_shinfo(skb)->frags[i]; - get_page(skb_shinfo(n)->frags[i].page); + skb_frag_ref(skb, i); } skb_shinfo(n)->nr_frags = i; } @@ -901,7 +901,7 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY; } for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) - get_page(skb_shinfo(skb)->frags[i].page); + skb_frag_ref(skb, i); if (skb_has_frag_list(skb)) skb_clone_fraglist(skb); @@ -1181,7 +1181,7 @@ drop_pages: skb_shinfo(skb)->nr_frags = i; for (; i < nfrags; i++) - put_page(skb_shinfo(skb)->frags[i].page); + skb_frag_unref(skb, i); if (skb_has_frag_list(skb)) skb_drop_fraglist(skb); @@ -1350,7 +1350,7 @@ pull_pages: k = 0; for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { if (skb_shinfo(skb)->frags[i].size <= eat) { - put_page(skb_shinfo(skb)->frags[i].page); + skb_frag_unref(skb, i); eat -= skb_shinfo(skb)->frags[i].size; } else { skb_shinfo(skb)->frags[k] = skb_shinfo(skb)->frags[i]; @@ -1609,7 +1609,8 @@ static int __skb_splice_bits(struct sk_buff *skb, struct pipe_inode_info *pipe, for (seg = 0; seg < skb_shinfo(skb)->nr_frags; seg++) { const skb_frag_t *f = &skb_shinfo(skb)->frags[seg]; - if (__splice_segment(f->page, f->page_offset, f->size, + if (__splice_segment(skb_frag_page(f), + f->page_offset, f->size, offset, len, skb, spd, 0, sk, pipe)) return 1; } @@ -2154,7 +2155,7 @@ static inline void skb_split_no_header(struct sk_buff *skb, * where splitting is expensive. * 2. Split is accurately. We make this. */ - get_page(skb_shinfo(skb)->frags[i].page); + skb_frag_ref(skb, i); skb_shinfo(skb1)->frags[0].page_offset += len - pos; skb_shinfo(skb1)->frags[0].size -= len - pos; skb_shinfo(skb)->frags[i].size = len - pos; @@ -2229,7 +2230,8 @@ int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen) * commit all, so that we don't have to undo partial changes */ if (!to || - !skb_can_coalesce(tgt, to, fragfrom->page, fragfrom->page_offset)) { + !skb_can_coalesce(tgt, to, skb_frag_page(fragfrom), + fragfrom->page_offset)) { merge = -1; } else { merge = to - 1; @@ -2276,7 +2278,7 @@ int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen) to++; } else { - get_page(fragfrom->page); + __skb_frag_ref(fragfrom); fragto->page = fragfrom->page; fragto->page_offset = fragfrom->page_offset; fragto->size = todo; @@ -2298,7 +2300,7 @@ int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen) fragto = &skb_shinfo(tgt)->frags[merge]; fragto->size += fragfrom->size; - put_page(fragfrom->page); + __skb_frag_unref(fragfrom); } /* Reposition in the original skb */ @@ -2543,8 +2545,7 @@ int skb_append_datato_frags(struct sock *sk, struct sk_buff *skb, left = PAGE_SIZE - frag->page_offset; copy = (length > left)? left : length; - ret = getfrag(from, (page_address(frag->page) + - frag->page_offset + frag->size), + ret = getfrag(from, skb_frag_address(frag) + frag->size, offset, copy, 0, skb); if (ret < 0) return -EFAULT; @@ -2696,7 +2697,7 @@ struct sk_buff *skb_segment(struct sk_buff *skb, u32 features) while (pos < offset + len && i < nfrags) { *frag = skb_shinfo(skb)->frags[i]; - get_page(frag->page); + __skb_frag_ref(frag); size = frag->size; if (pos < offset) { @@ -2919,7 +2920,7 @@ __skb_to_sgvec(struct sk_buff *skb, struct scatterlist *sg, int offset, int len) if (copy > len) copy = len; - sg_set_page(&sg[elt], frag->page, copy, + sg_set_page(&sg[elt], skb_frag_page(frag), copy, frag->page_offset+offset-start); elt++; if (!(len -= copy)) |