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authorPavel Emelyanov <xemul@parallels.com>2012-05-10 03:50:01 +0200
committerDavid S. Miller <davem@davemloft.net>2012-05-11 05:24:35 +0200
commit3c961afed4d4e766b66092e7af8c8e8005053505 (patch)
tree1bc4194a29e125bac5585ee2a45a94e8abc7a408
parenttcp: Move rcvq sending to tcp_input.c (diff)
downloadlinux-3c961afed4d4e766b66092e7af8c8e8005053505.tar.xz
linux-3c961afed4d4e766b66092e7af8c8e8005053505.zip
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 7c6c99dcc962..164659f2d636 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;