Hi Stephen, The next-20080521 kernel build fails, on x86_64 machine CC net/netfilter/nf_conntrack_helper.o net/netfilter/nf_conntrack_helper.c: In function ‘__nf_ct_helper_find’: net/netfilter/nf_conntrack_helper.c:58: error: implicit declaration of function ‘hlist_for_each_entry_rcu’ net/netfilter/nf_conntrack_helper.c:58: error: ‘hnode’ undeclared (first use in this function) net/netfilter/nf_conntrack_helper.c:58: error: (Each undeclared identifier is reported only once net/netfilter/nf_conntrack_helper.c:58: error: for each function it appears in.) net/netfilter/nf_conntrack_helper.c:58: error: expected ‘;’ before ‘{’ token net/netfilter/nf_conntrack_helper.c:50: warning: unused variable ‘mask’ net/netfilter/nf_conntrack_helper.c: In function ‘__nf_conntrack_helper_find_byname’: net/netfilter/nf_conntrack_helper.c:74: error: ‘hnode’ undeclared (first use in this function) net/netfilter/nf_conntrack_helper.c:74: error: expected ‘;’ before ‘{’ token net/netfilter/nf_conntrack_helper.c: In function ‘nf_conntrack_helper_register’: net/netfilter/nf_conntrack_helper.c:117: error: implicit declaration of function ‘hlist_add_head_rcu’ net/netfilter/nf_conntrack_helper.c: In function ‘nf_conntrack_helper_unregister’: net/netfilter/nf_conntrack_helper.c:133: error: implicit declaration of function ‘hlist_del_rcu’ make[2]: *** [net/netfilter/nf_conntrack_helper.o] Error 1 make[1]: *** [net/netfilter] Error 2 make: *** [net] Error 2 This build error is because of the missing include file.I have tested the patch for the build failure only. Signed-off-by: Kamalesh Babulal <kamalesh@xxxxxxxxxxxxxxxxxx> -- --- linux-2.6.26-rc3/net/netfilter/nf_conntrack_helper.c 2008-05-20 20:24:14.000000000 +0530 +++ linux-2.6.26-rc3/net/netfilter/~nf_conntrack_helper.c 2008-05-22 00:17:32.000000000 +0530 @@ -20,6 +20,7 @@ #include <linux/err.h> #include <linux/kernel.h> #include <linux/netdevice.h> +#include <linux/rculist.h> #include <net/netfilter/nf_conntrack.h> #include <net/netfilter/nf_conntrack_l3proto.h> -- Thanks & Regards, Kamalesh Babulal, Linux Technology Center, IBM, ISTL. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html