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authorPavel Emelyanov <xemul@parallels.com>2012-05-10 01:50:01 +0000
committerDavid S. Miller <davem@davemloft.net>2012-05-10 23:24:35 -0400
commit3c961afed4d4e766b66092e7af8c8e8005053505 (patch)
tree1bc4194a29e125bac5585ee2a45a94e8abc7a408
parent292e8d8c853889140ed77b7b37c66979b13080ae (diff)
tcp: Schedule rmem for rcvq repair send
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>
-rw-r--r--net/ipv4/tcp_input.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 7c6c99dcc96..164659f2d63 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -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;