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| author | David S. Miller <davem@davemloft.net> | 2005-07-08 14:57:23 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2005-07-08 14:57:23 -0700 |
| commit | b03efcfb2180289718991bb984044ce6c5b7d1b0 (patch) | |
| tree | f3b0c6c4eaf0991c28b7116a20994b48398eea57 /net/ipv4/tcp_input.c | |
| parent | a92b7b80579fe68fe229892815c750f6652eb6a9 (diff) | |
| download | linux-b03efcfb2180289718991bb984044ce6c5b7d1b0.tar.gz linux-b03efcfb2180289718991bb984044ce6c5b7d1b0.tar.bz2 linux-b03efcfb2180289718991bb984044ce6c5b7d1b0.zip | |
[NET]: Transform skb_queue_len() binary tests into skb_queue_empty()
This is part of the grand scheme to eliminate the qlen
member of skb_queue_head, and subsequently remove the
'list' member of sk_buff.
Most users of skb_queue_len() want to know if the queue is
empty or not, and that's trivially done with skb_queue_empty()
which doesn't use the skb_queue_head->qlen member and instead
uses the queue list emptyness as the test.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_input.c')
| -rw-r--r-- | net/ipv4/tcp_input.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 8de2f1071c2b..53a8a5399f1e 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -2802,7 +2802,7 @@ static void tcp_sack_remove(struct tcp_sock *tp) int this_sack; /* Empty ofo queue, hence, all the SACKs are eaten. Clear. */ - if (skb_queue_len(&tp->out_of_order_queue) == 0) { + if (skb_queue_empty(&tp->out_of_order_queue)) { tp->rx_opt.num_sacks = 0; tp->rx_opt.eff_sacks = tp->rx_opt.dsack; return; @@ -2935,13 +2935,13 @@ queue_and_out: if(th->fin) tcp_fin(skb, sk, th); - if (skb_queue_len(&tp->out_of_order_queue)) { + if (!skb_queue_empty(&tp->out_of_order_queue)) { tcp_ofo_queue(sk); /* RFC2581. 4.2. SHOULD send immediate ACK, when * gap in queue is filled. */ - if (!skb_queue_len(&tp->out_of_order_queue)) + if (skb_queue_empty(&tp->out_of_order_queue)) tp->ack.pingpong = 0; } @@ -3249,9 +3249,8 @@ static int tcp_prune_queue(struct sock *sk) * This must not ever occur. */ /* First, purge the out_of_order queue. */ - if (skb_queue_len(&tp->out_of_order_queue)) { - NET_ADD_STATS_BH(LINUX_MIB_OFOPRUNED, - skb_queue_len(&tp->out_of_order_queue)); + if (!skb_queue_empty(&tp->out_of_order_queue)) { + NET_INC_STATS_BH(LINUX_MIB_OFOPRUNED); __skb_queue_purge(&tp->out_of_order_queue); /* Reset SACK state. A conforming SACK implementation will |