netfilter: ebt_limit: add CONFIG_COMPAT support
ebt_limit structure is larger on 64 bit systems due to "long" type used in the (kernel-only) data section. Setting .compatsize is enough in this case, these values have no meaning in userspace. Signed-off-by: Florian Westphal <fwestphal@astaro.com>
This commit is contained in:
parent
90b89af7e1
commit
314ddca3b1
|
@ -84,6 +84,19 @@ static bool ebt_limit_mt_check(const struct xt_mtchk_param *par)
|
|||
return true;
|
||||
}
|
||||
|
||||
|
||||
#ifdef CONFIG_COMPAT
|
||||
/*
|
||||
* no conversion function needed --
|
||||
* only avg/burst have meaningful values in userspace.
|
||||
*/
|
||||
struct ebt_compat_limit_info {
|
||||
compat_uint_t avg, burst;
|
||||
compat_ulong_t prev;
|
||||
compat_uint_t credit, credit_cap, cost;
|
||||
};
|
||||
#endif
|
||||
|
||||
static struct xt_match ebt_limit_mt_reg __read_mostly = {
|
||||
.name = "limit",
|
||||
.revision = 0,
|
||||
|
@ -91,6 +104,9 @@ static struct xt_match ebt_limit_mt_reg __read_mostly = {
|
|||
.match = ebt_limit_mt,
|
||||
.checkentry = ebt_limit_mt_check,
|
||||
.matchsize = sizeof(struct ebt_limit_info),
|
||||
#ifdef CONFIG_COMPAT
|
||||
.compatsize = sizeof(struct ebt_compat_limit_info),
|
||||
#endif
|
||||
.me = THIS_MODULE,
|
||||
};
|
||||
|
||||
|
|
Loading…
Reference in a new issue