commit b9d80f83bf8c3485ae53a4f3a715363d764bb0e4
author Gao Feng <fgao@ikuai8.com> Tue Sep 20 10:31:04 2016 +0800
committer Pablo Neira Ayuso <pablo@netfilter.org> Fri Sep 23 09:30:43 2016 +0200
tree f7c71f7232436811f9f051dfd606b5ff71ac374e
parent 7bdc66242de7f9cbe8dbb01757042dd18744d800

netfilter: xt_helper: Use sizeof(variable) instead of literal number

It's better to use sizeof(info->name)-1 as index to force set the string
tail instead of literal number '29'.

Signed-off-by: Gao Feng <fgao@ikuai8.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

net/netfilter/xt_helper.c

diff --git a/net/netfilter/xt_helper.c b/net/netfilter/xt_helper.c
index 9f4ab00..805c9f6 100644
--- a/net/netfilter/xt_helper.c
+++ b/net/netfilter/xt_helper.c
@@ -65,7 +65,7 @@
 			par->family);
 		return ret;
 	}
-	info->name[29] = '\0';
+	info->name[sizeof(info->name) - 1] = '\0';
 	return 0;
 }