From e4767262deb1485598a77c9933b0af9de757343b Mon Sep 17 00:00:00 2001
From: Andrey Vagin <avagin@openvz.org>
Date: Wed, 19 Sep 2012 09:40:00 +0000
Subject: [PATCH] --- yaml --- r: 323086 b: refs/heads/master c:
 bc26ccd8fc756749de95606d28314efd0ce5aec3 h: refs/heads/master v: v3

---
 [refs]               |  2 +-
 trunk/net/ipv4/tcp.c | 13 ++++++++++---
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/[refs] b/[refs]
index 8c5341696548..24fe39963cfe 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8ea853fd0b721f14eacff1a5b364fe3e60d2dd82
+refs/heads/master: bc26ccd8fc756749de95606d28314efd0ce5aec3
diff --git a/trunk/net/ipv4/tcp.c b/trunk/net/ipv4/tcp.c
index bf9a8ab29459..5f6419341821 100644
--- a/trunk/net/ipv4/tcp.c
+++ b/trunk/net/ipv4/tcp.c
@@ -2331,10 +2331,17 @@ static int tcp_repair_options_est(struct tcp_sock *tp,
 			tp->rx_opt.mss_clamp = opt.opt_val;
 			break;
 		case TCPOPT_WINDOW:
-			if (opt.opt_val > 14)
-				return -EFBIG;
+			{
+				u16 snd_wscale = opt.opt_val & 0xFFFF;
+				u16 rcv_wscale = opt.opt_val >> 16;
+
+				if (snd_wscale > 14 || rcv_wscale > 14)
+					return -EFBIG;
 
-			tp->rx_opt.snd_wscale = opt.opt_val;
+				tp->rx_opt.snd_wscale = snd_wscale;
+				tp->rx_opt.rcv_wscale = rcv_wscale;
+				tp->rx_opt.wscale_ok = 1;
+			}
 			break;
 		case TCPOPT_SACK_PERM:
 			if (opt.opt_val != 0)