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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 <jengelh@medozas.de>
This commit is contained in:
Jan Engelhardt 2009-06-25 18:32:12 +02:00
parent 2249065f4b
commit b402405d71
1 changed files with 6 additions and 2 deletions
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8
net/netfilter/x_tables.c
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@ -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;
}