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Diffstat (limited to 'net/core/skbuff.c')
-rw-r--r--net/core/skbuff.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index a00808f7be6a..a56133902c0d 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -4636,12 +4636,14 @@ struct sk_buff *skb_segment_list(struct sk_buff *skb,
{
struct sk_buff *list_skb = skb_shinfo(skb)->frag_list;
unsigned int tnl_hlen = skb_tnl_header_len(skb);
- unsigned int delta_truesize = 0;
unsigned int delta_len = 0;
struct sk_buff *tail = NULL;
struct sk_buff *nskb, *tmp;
int len_diff, err;
+ /* Only skb_gro_receive_list generated skbs arrive here */
+ DEBUG_NET_WARN_ON_ONCE(!(skb_shinfo(skb)->gso_type & SKB_GSO_FRAGLIST));
+
skb_push(skb, -skb_network_offset(skb) + offset);
/* Ensure the head is writeable before touching the shared info */
@@ -4655,8 +4657,9 @@ struct sk_buff *skb_segment_list(struct sk_buff *skb,
nskb = list_skb;
list_skb = list_skb->next;
+ DEBUG_NET_WARN_ON_ONCE(nskb->sk);
+
err = 0;
- delta_truesize += nskb->truesize;
if (skb_shared(nskb)) {
tmp = skb_clone(nskb, GFP_ATOMIC);
if (tmp) {
@@ -4699,7 +4702,6 @@ struct sk_buff *skb_segment_list(struct sk_buff *skb,
goto err_linearize;
}
- skb->truesize = skb->truesize - delta_truesize;
skb->data_len = skb->data_len - delta_len;
skb->len = skb->len - delta_len;