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authorEric Dumazet2017-08-01 07:02:44 -0700
committerDavid S. Miller2017-08-02 10:45:24 -0700
commit5357f0bd4edf0b351f2cd98a57386b0324734f67 (patch)
treed83dfd2e749bf59f019bdde3e2923d51be077560 /net/ipv4
parentaa6c16c43b73b0e4042d84fece85111da1a8087f (diff)
tcp: tcp_data_queue() cleanup
Commit c13ee2a4f03f ("tcp: reindent two spots after prequeue removal") removed code in tcp_data_queue(). We can go a little farther, removing an always true test, and removing initializers for fragstolen and eaten variables. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/tcp_input.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index af0a98d54b62..df670d7ed98d 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -4564,8 +4564,8 @@ err:
static void tcp_data_queue(struct sock *sk, struct sk_buff *skb)
{
struct tcp_sock *tp = tcp_sk(sk);
- bool fragstolen = false;
- int eaten = -1;
+ bool fragstolen;
+ int eaten;
if (TCP_SKB_CB(skb)->seq == TCP_SKB_CB(skb)->end_seq) {
__kfree_skb(skb);
@@ -4588,12 +4588,11 @@ static void tcp_data_queue(struct sock *sk, struct sk_buff *skb)
/* Ok. In sequence. In window. */
queue_and_out:
- if (eaten < 0) {
- if (skb_queue_len(&sk->sk_receive_queue) == 0)
- sk_forced_mem_schedule(sk, skb->truesize);
- else if (tcp_try_rmem_schedule(sk, skb, skb->truesize))
- goto drop;
- }
+ if (skb_queue_len(&sk->sk_receive_queue) == 0)
+ sk_forced_mem_schedule(sk, skb->truesize);
+ else if (tcp_try_rmem_schedule(sk, skb, skb->truesize))
+ goto drop;
+
eaten = tcp_queue_rcv(sk, skb, 0, &fragstolen);
tcp_rcv_nxt_update(tp, TCP_SKB_CB(skb)->end_seq);
if (skb->len)