From b402405d71beed8e4df354844353f66b4e18269f Mon Sep 17 00:00:00 2001 From: Jan Engelhardt Date: Thu, 25 Jun 2009 18:32:12 +0200 Subject: [PATCH] netfilter: xtables: print details on size mismatch Print which revision has been used and which size are which (kernel/user) for easier debugging. Signed-off-by: Jan Engelhardt --- net/netfilter/x_tables.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c index 255ab0657ce..12503199826 100644 --- a/net/netfilter/x_tables.c +++ b/net/netfilter/x_tables.c @@ -366,8 +366,10 @@ int xt_check_match(struct xt_mtchk_param *par, * ebt_among is exempt from centralized matchsize checking * because it uses a dynamic-size data set. */ - pr_err("%s_tables: %s match: invalid size %u != %u\n", + pr_err("%s_tables: %s.%u match: invalid size " + "%u (kernel) != (user) %u\n", xt_prefix[par->family], par->match->name, + par->match->revision, XT_ALIGN(par->match->matchsize), size); return -EINVAL; } @@ -516,8 +518,10 @@ int xt_check_target(struct xt_tgchk_param *par, unsigned int size, u_int8_t proto, bool inv_proto) { if (XT_ALIGN(par->target->targetsize) != size) { - pr_err("%s_tables: %s target: invalid size %u != %u\n", + pr_err("%s_tables: %s.%u target: invalid size " + "%u (kernel) != (user) %u\n", xt_prefix[par->family], par->target->name, + par->target->revision, XT_ALIGN(par->target->targetsize), size); return -EINVAL; } -- 2.39.3