commit 3d7dbeac58d0669c37e35a3b91bb41c0146395ce
author David S. Miller <davem@sunset.davemloft.net> Tue Jun 12 14:36:42 2007 -0700
committer David S. Miller <davem@sunset.davemloft.net> Tue Jun 12 14:36:42 2007 -0700
tree 8392d2e576f07635bda9684b2d65629ee40ecbab
parent 606f585e363527da9feaed79465132c0c661fd9e

[TCP]: Disable TSO if MD5SIG is enabled.

Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/tcp_ipv4.c

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 97e294e..354721d 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -878,6 +878,7 @@
 				kfree(newkey);
 				return -ENOMEM;
 			}
+			sk->sk_route_caps &= ~NETIF_F_GSO_MASK;
 		}
 		if (tcp_alloc_md5sig_pool() == NULL) {
 			kfree(newkey);
@@ -1007,7 +1008,7 @@
 			return -EINVAL;
 
 		tp->md5sig_info = p;
-
+		sk->sk_route_caps &= ~NETIF_F_GSO_MASK;
 	}
 
 	newkey = kmemdup(cmd.tcpm_key, cmd.tcpm_keylen, GFP_KERNEL);