Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git...

[karo-tx-linux.git] / include / net / tcp.h

diff --git a/include/net/tcp.h b/include/net/tcp.h
index 38a7427ae902e35973a8b7fa0e95ff602ede0e87..be6223c586fa05b3ef1dbcb96e73cf7b5dae292d 100644 (file)
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -924,7 +924,7 @@ struct tcp_congestion_ops {
        void (*cwnd_event)(struct sock *sk, enum tcp_ca_event ev);
        /* call when ack arrives (optional) */
        void (*in_ack_event)(struct sock *sk, u32 flags);
-       /* new value of cwnd after loss (optional) */
+       /* new value of cwnd after loss (required) */
        u32  (*undo_cwnd)(struct sock *sk);
        /* hook for packet ack accounting (optional) */
        void (*pkts_acked)(struct sock *sk, const struct ack_sample *sample);