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author | 2014-09-15 04:19:52 -0700 | |
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committer | 2014-09-15 14:41:07 -0400 | |
commit | e93a0435f809d009919a743fb6e93076faac8aa7 (patch) | |
tree | 0f6135f75faed65233a68dc0a4b5a183e1a30ed3 /net/core/skbuff.c | |
parent | tcp: use TCP_SKB_CB(skb)->tcp_flags in input path (diff) | |
download | linux-e93a0435f809d009919a743fb6e93076faac8aa7.tar.gz linux-e93a0435f809d009919a743fb6e93076faac8aa7.tar.bz2 linux-e93a0435f809d009919a743fb6e93076faac8aa7.zip |
tcp: allow segment with FIN in tcp_try_coalesce()
We can allow a segment with FIN to be aggregated,
if we take care to add tcp flags,
and if skb_try_coalesce() takes care of zero sized skbs.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/skbuff.c')
-rw-r--r-- | net/core/skbuff.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index c8259ac38745..29f7f0121491 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -3936,7 +3936,8 @@ bool skb_try_coalesce(struct sk_buff *to, struct sk_buff *from, return false; if (len <= skb_tailroom(to)) { - BUG_ON(skb_copy_bits(from, 0, skb_put(to, len), len)); + if (len) + BUG_ON(skb_copy_bits(from, 0, skb_put(to, len), len)); *delta_truesize = 0; return true; } |