From: Eric Dumazet <eduma...@google.com>
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 <eduma...@google.com>
Cc: Florian Westphal <f...@strlen.de>
---
net/ipv4/tcp_input.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index
af0a98d54b627a90d90fb9f1f2a600277c620559..df670d7ed98df1c108dc654cf446344ff9fdd4be
100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -4564,8 +4564,8 @@ int tcp_send_rcvq(struct sock *sk, struct msghdr *msg,
size_t size)
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)
