parent 653393692ac5b0baabf707bb94d20e5c661a27c0 (v2.6.38-rc1-195-g6533936) commit acbba5911da72a6a4df17c508b332b89c87efe7f Author: Jan Engelhardt <jengelh@xxxxxxxxxx> Date: Tue Mar 1 14:16:12 2011 +0100 netfilter: xt_CT: provide info on why a rule was rejected Signed-off-by: Jan Engelhardt <jengelh@xxxxxxxxxx> --- net/netfilter/xt_CT.c | 11 ++++++++--- 1 files changed, 8 insertions(+), 3 deletions(-) diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c index 782e519..0221d10 100644 --- a/net/netfilter/xt_CT.c +++ b/net/netfilter/xt_CT.c @@ -5,7 +5,7 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ - +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/module.h> #include <linux/gfp.h> #include <linux/skbuff.h> @@ -95,8 +95,11 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par) if (info->helper[0]) { ret = -ENOENT; proto = xt_ct_find_proto(par); - if (!proto) + if (!proto) { + pr_info("You must specify a L4 protocol, " + "and not use inversions on it.\n"); goto err3; + } ret = -ENOMEM; help = nf_ct_helper_ext_add(ct, GFP_KERNEL); @@ -107,8 +110,10 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par) help->helper = nf_conntrack_helper_try_module_get(info->helper, par->family, proto); - if (help->helper == NULL) + if (help->helper == NULL) { + pr_info("No such helper \"%s\"\n", info->helper); goto err3; + } } __set_bit(IPS_TEMPLATE_BIT, &ct->status); -- # Created with git-export-patch -- 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