[PATCH] tcp: Fix RFC reference in comment

[Debabrata Banerjee]

Comment in tcp_cwnd_restart() was referencing the wrong RFC for the algorithm
it's implementing.

Signed-off-by: Debabrata Banerjee <dbanerje@xxxxxxxxxx>
---
 net/ipv4/tcp_output.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 65caf8b..0c13f88 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -139,7 +139,7 @@ static __u16 tcp_advertise_mss(struct sock *sk)
 	return (__u16)mss;
 }
 
-/* RFC2861. Reset CWND after idle period longer RTO to "restart window".
+/* RFC2581 4.1. Reset CWND after idle period longer RTO to "restart window".
  * This is the first part of cwnd validation mechanism. */
 static void tcp_cwnd_restart(struct sock *sk, const struct dst_entry *dst)
 {
-- 
2.2.1

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