From: Andrew Morton net/built-in.o(.text+0x4b4f7): In function `tcp_westwood_info': net/ipv4/tcp_westwood.c:224: undefined reference to `tcpdiag_put' Because TCP_CONG_WESTWOOD=y and CONFIG_IP_TCPDIAG=m. Lame fix: Cc: Stephen Hemminger Signed-off-by: Andrew Morton --- net/ipv4/Kconfig | 2 ++ 1 files changed, 2 insertions(+) diff -puN net/ipv4/Kconfig~tcp-tcp_westwood-kconfig-fix net/ipv4/Kconfig --- 25/net/ipv4/Kconfig~tcp-tcp_westwood-kconfig-fix 2005-05-31 22:24:36.000000000 -0700 +++ 25-akpm/net/ipv4/Kconfig 2005-05-31 22:24:36.000000000 -0700 @@ -427,6 +427,7 @@ config TCP_CONG_BIC config TCP_CONG_WESTWOOD tristate "TCP Westwood+" + select IP_TCPDIAG default y ---help--- TCP Westwood+ is a sender-side only modification of the TCP Reno @@ -473,6 +474,7 @@ config TCP_CONG_HYBLA config TCP_CONG_VEGAS tristate "TCP Vegas" + select IP_TCPDIAG default n ---help--- TCP Vegas is a sender-side only change to TCP that anticipates _