xiaomi-sm8450/android_kernel_xiaomi_sm8450
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net: add a limit parameter to sk_add_backlog()

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sk_add_backlog() & sk_rcvqueues_full() hard coded sk_rcvbuf as the
memory limit. We need to make this limit a parameter for TCP use.

No functional change expected in this patch, all callers still using the
old sk_rcvbuf limit.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Tom Herbert <therbert@google.com>
Cc: Maciej Żenczykowski <maze@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Cc: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Cc: Rick Jones <rick.jones2@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2012-04-22 23:34:26 +00:00
committed by David S. Miller
parent b98985073b
commit f545a38f74
10 changed files with 21 additions and 19 deletions
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4
net/ipv4/udp.c
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@@ -1479,7 +1479,7 @@ int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
goto drop;
if (sk_rcvqueues_full(sk, skb))
if (sk_rcvqueues_full(sk, skb, sk->sk_rcvbuf))
goto drop;
rc = 0;
@@ -1488,7 +1488,7 @@ int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
bh_lock_sock(sk);
if (!sock_owned_by_user(sk))
rc = __udp_queue_rcv_skb(sk, skb);
else if (sk_add_backlog(sk, skb)) {
else if (sk_add_backlog(sk, skb, sk->sk_rcvbuf)) {
bh_unlock_sock(sk);
goto drop;
}