[PATCH] netfilter: xt_connlimit needs to depend on nf_conntrack

[Cornelia Huck <cornelia.huck@de.ibm.com>]

With NF_CONNTRACK=n, NETFILTER_XT_MATCH_CONNLIMIT=m I get the
following errors on current git:

  CC [M]  net/netfilter/xt_connlimit.o
  In file included from net/netfilter/xt_connlimit.c:27:
  include/net/netfilter/nf_conntrack.h:100: error: field 'ct_general' has incomplete type
  include/net/netfilter/nf_conntrack.h: In function 'nf_ct_get':
  include/net/netfilter/nf_conntrack.h:164: error: 'const struct sk_buff' has no member named 'nfct'
  include/net/netfilter/nf_conntrack.h: In function 'nf_ct_put':
  include/net/netfilter/nf_conntrack.h:171: warning: implicit declaration of function 'nf_conntrack_put'
  include/net/netfilter/nf_conntrack.h: In function 'nf_ct_is_untracked':
  include/net/netfilter/nf_conntrack.h:253: error: 'const struct sk_buff' has no member named 'nfct'
  In file included from net/netfilter/xt_connlimit.c:28:
  include/net/netfilter/nf_conntrack_core.h: In function 'nf_conntrack_confirm':
  include/net/netfilter/nf_conntrack_core.h:68: error: 'struct sk_buff' has no member named 'nfct'

Adding a dependency in Kconfig fixes this.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>

---

 net/netfilter/Kconfig |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index 3ac39f1..3599770 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -436,6 +436,7 @@ config NETFILTER_XT_MATCH_CONNBYTES
 config NETFILTER_XT_MATCH_CONNLIMIT
 	tristate '"connlimit" match support"'
 	depends on NETFILTER_XTABLES
+	depends on NF_CONNTRACK
 	---help---
 	  This match allows you to match against the number of parallel
 	  connections to a server per client IP address (or address block).