iptables: fix an inversion
Revisiting the original condition (viewable in git log -1 -p
v1.4.10-57-gacef604), one can notice an unforuntate inversion. This
commit corrects this.
Testcase: -A INPUT -p tcp --dport 1
Reported-by: Florian Westphal
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
diff --git a/xshared.c b/xshared.c
index b47beb1..c5a9015 100644
--- a/xshared.c
+++ b/xshared.c
@@ -87,7 +87,7 @@
if (cs->protocol == NULL)
return false;
if (find_proto(cs->protocol, XTF_DONT_LOAD,
- cs->options & OPT_NUMERIC, NULL) != NULL)
+ cs->options & OPT_NUMERIC, NULL) == NULL)
return true;
return cs->proto_used;
}