linux-next: manual merge of the net-next tree with the net tree

From: Stephen Rothwell
Date: Mon Jul 27 2015 - 21:26:29 EST


Hi all,

Today's linux-next merge of the net-next tree got a conflict in:

net/ipv4/ip_fragment.c

between commit:

0e60d245a0be ("inet: frag: change *_frag_mem_limit functions to take netns_frags as argument")

from the net tree and commit:

14fe22e33462 ("Revert "ipv4: use skb coalescing in defragmentation"")

from the net-next tree.

I fixed it up (see below) and can carry the fix as necessary (no action
is required).

--
Cheers,
Stephen Rothwell sfr@xxxxxxxxxxxxxxxx

diff --cc net/ipv4/ip_fragment.c
index 921138f6c97c,f44bccc42494..000000000000
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@@ -587,35 -586,22 +586,22 @@@ static int ip_frag_reasm(struct ipq *qp
head->len -= clone->len;
clone->csum = 0;
clone->ip_summed = head->ip_summed;
- add_frag_mem_limit(&qp->q, clone->truesize);
+ add_frag_mem_limit(qp->q.net, clone->truesize);
}

+ skb_shinfo(head)->frag_list = head->next;
skb_push(head, head->data - skb_network_header(head));

- sum_truesize = head->truesize;
- for (fp = head->next; fp;) {
- bool headstolen;
- int delta;
- struct sk_buff *next = fp->next;
-
- sum_truesize += fp->truesize;
+ for (fp=head->next; fp; fp = fp->next) {
+ head->data_len += fp->len;
+ head->len += fp->len;
if (head->ip_summed != fp->ip_summed)
head->ip_summed = CHECKSUM_NONE;
else if (head->ip_summed == CHECKSUM_COMPLETE)
head->csum = csum_add(head->csum, fp->csum);
-
- if (skb_try_coalesce(head, fp, &headstolen, &delta)) {
- kfree_skb_partial(fp, headstolen);
- } else {
- if (!skb_shinfo(head)->frag_list)
- skb_shinfo(head)->frag_list = fp;
- head->data_len += fp->len;
- head->len += fp->len;
- head->truesize += fp->truesize;
- }
- fp = next;
+ head->truesize += fp->truesize;
}
- sub_frag_mem_limit(qp->q.net, sum_truesize);
- sub_frag_mem_limit(&qp->q, head->truesize);
++ sub_frag_mem_limit(qp->q.net, head->truesize);

head->next = NULL;
head->dev = dev;
--
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