netfilter: xtables: change targets to return error code
Part of the transition of done by this semantic patch:
// <smpl>
@ rule1 @
struct xt_target ops;
identifier check;
@@
ops.checkentry = check;
@@
identifier rule1.check;
@@
check(...) { <...
-return true;
+return 0;
...> }
@@
identifier rule1.check;
@@
check(...) { <...
-return false;
+return -EINVAL;
...> }
// </smpl>
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
diff --git a/net/netfilter/xt_HL.c b/net/netfilter/xt_HL.c
index 15ba161..7a47383 100644
--- a/net/netfilter/xt_HL.c
+++ b/net/netfilter/xt_HL.c
@@ -110,8 +110,8 @@
return false;
}
if (info->mode != IPT_TTL_SET && info->ttl == 0)
- return false;
- return true;
+ return -EINVAL;
+ return 0;
}
static int hl_tg6_check(const struct xt_tgchk_param *par)
@@ -120,14 +120,14 @@
if (info->mode > IP6T_HL_MAXMODE) {
pr_info("invalid or unknown mode %u\n", info->mode);
- return false;
+ return -EINVAL;
}
if (info->mode != IP6T_HL_SET && info->hop_limit == 0) {
pr_info("increment/decrement does not "
"make sense with value 0\n");
- return false;
+ return -EINVAL;
}
- return true;
+ return 0;
}
static struct xt_target hl_tg_reg[] __read_mostly = {
