netdev - [PATCH] xt_helper: use sizeof()

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Message-Id: <1279873323-15544-1-git-send-email-xiaosuo@gmail.com>
Date:	Fri, 23 Jul 2010 16:22:03 +0800
From:	Changli Gao <xiaosuo@...il.com>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	"David S. Miller" <davem@...emloft.net>,
	netfilter-devel@...r.kernel.org, netdev@...r.kernel.org,
	Changli Gao <xiaosuo@...il.com>
Subject: [PATCH] xt_helper: use sizeof()

use sizeof() to improve the readability.

Signed-off-by: Changli Gao <xiaosuo@...il.com>
----
 net/netfilter/xt_helper.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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 @@ static int helper_mt_check(const struct xt_mtchk_param *par)
 			par->family);
 		return ret;
 	}
-	info->name[29] = '\0';
+	info->name[sizeof(info->name) - 1] = '\0';
 	return 0;
 }
 
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