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tcp: Schedule rmem for rcvq repair send

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As noted by Eric, no checks are performed on the data size we're
putting in the read queue during repair. Thus, validate the given
data size with the common rmem management routine.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov 2012-05-10 01:50:01 +00:00 committed by David S. Miller
parent 292e8d8c85
commit 3c961afed4
1 changed files with 3 additions and 0 deletions
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3
net/ipv4/tcp_input.c
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@ -4769,6 +4769,9 @@ int tcp_send_rcvq(struct sock *sk, struct msghdr *msg, size_t size)
struct tcphdr *th;
bool fragstolen;
if (tcp_try_rmem_schedule(sk, size + sizeof(*th)))
goto err;
skb = alloc_skb(size + sizeof(*th), sk->sk_allocation);
if (!skb)
goto err;