1 diff --git a/extensions/compat_xtables.c b/extensions/compat_xtables.c
2 index 8514af8..9e96c0d 100644
3 --- a/extensions/compat_xtables.c
4 +++ b/extensions/compat_xtables.c
5 @@ -105,7 +105,11 @@ static bool xtnu_match_check(const char *table, const void *entry,
7 if (nm->checkentry == NULL)
9 +#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 23)
10 return nm->checkentry(&local_par);
12 + return nm->checkentry(&local_par) == 0;
16 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28) && \
17 @@ -118,7 +122,7 @@ static bool xtnu_match_check(const struct xt_mtchk_param *par)
19 if (nm->checkentry == NULL)
21 - return nm->checkentry(par) == 0 ? true : false;
22 + return nm->checkentry(par) == 0;
26 @@ -313,7 +317,11 @@ static bool xtnu_target_check(const char *table, const void *entry,
27 if (nt->checkentry == NULL)
28 /* this is valid, just like if there was no function */
30 +#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 23)
31 return nt->checkentry(&local_par);
33 + return nt->checkentry(&local_par) == 0;
38 @@ -327,7 +335,7 @@ static bool xtnu_target_check(const struct xt_tgchk_param *par)
40 if (nt->checkentry == NULL)
42 - return nt->checkentry(par) == 0 ? true : false;
43 + return nt->checkentry(par) == 0;