net: Fix frag_list handling in skb_seq_read

[pandora-kernel.git] / net / core / skbuff.c

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 8464017..798e2c6 100644 (file)
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -2001,10 +2001,10 @@ unsigned int skb_seq_read(unsigned int consumed, const u8 **data,
                return 0;
 
 next_skb:
-       block_limit = skb_headlen(st->cur_skb);
+       block_limit = skb_headlen(st->cur_skb) + st->stepped_offset;
 
        if (abs_offset < block_limit) {
-               *data = st->cur_skb->data + abs_offset;
+               *data = st->cur_skb->data + (abs_offset - st->stepped_offset);
                return block_limit - abs_offset;
        }
 
@@ -2046,6 +2046,7 @@ next_skb:
        } else if (st->root_skb == st->cur_skb &&
                   skb_shinfo(st->root_skb)->frag_list) {
                st->cur_skb = skb_shinfo(st->root_skb)->frag_list;
+               st->frag_idx = 0;
                goto next_skb;
        }
 
@@ -2256,14 +2257,7 @@ struct sk_buff *skb_segment(struct sk_buff *skb, int features)
                        segs = nskb;
                tail = nskb;
 
-               nskb->dev = skb->dev;
-               skb_copy_queue_mapping(nskb, skb);
-               nskb->priority = skb->priority;
-               nskb->protocol = skb->protocol;
-               nskb->vlan_tci = skb->vlan_tci;
-               nskb->dst = dst_clone(skb->dst);
-               memcpy(nskb->cb, skb->cb, sizeof(skb->cb));
-               nskb->pkt_type = skb->pkt_type;
+               __copy_skb_header(nskb, skb);
                nskb->mac_len = skb->mac_len;
 
                skb_reserve(nskb, headroom);
@@ -2274,6 +2268,7 @@ struct sk_buff *skb_segment(struct sk_buff *skb, int features)
                skb_copy_from_linear_data(skb, skb_put(nskb, doffset),
                                          doffset);
                if (!sg) {
+                       nskb->ip_summed = CHECKSUM_NONE;
                        nskb->csum = skb_copy_and_csum_bits(skb, offset,
                                                            skb_put(nskb, len),
                                                            len, 0);
@@ -2283,8 +2278,6 @@ struct sk_buff *skb_segment(struct sk_buff *skb, int features)
                frag = skb_shinfo(nskb)->frags;
                k = 0;
 
-               nskb->ip_summed = CHECKSUM_PARTIAL;
-               nskb->csum = skb->csum;
                skb_copy_from_linear_data_offset(skb, offset,
                                                 skb_put(nskb, hsize), hsize);