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authorEric Dumazet <edumazet@google.com>2012-04-22 23:34:26 +0000
committerDavid S. Miller <davem@davemloft.net>2012-04-23 22:28:28 -0400
commitf545a38f74584cc7424cb74f792a00c6d2589485 (patch)
treeb272cbfed3267a7750f55f23989e1b070ae6ac3e /net/ipv4/udp.c
parentb98985073bc5403ef1320866e4ef8bbc5d587ceb (diff)
downloadlinux-f545a38f74584cc7424cb74f792a00c6d2589485.tar.bz2
net: add a limit parameter to sk_add_backlog()
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>
Diffstat (limited to 'net/ipv4/udp.c')
-rw-r--r--net/ipv4/udp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 3430e8fc18de..279fd0846302 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -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;
}