From ace30d73ef09fd5f95b24c5c1c5aa11963981494 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 1 Mar 2012 02:56:59 +0000
Subject: [PATCH] netfilter: xt_LOG: add __printf() to sb_add()

Helps to find format mismatches at compile time

Suggested-by: David Laight <David.Laight@ACULAB.COM>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
---
 include/net/netfilter/xt_log.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/net/netfilter/xt_log.h b/include/net/netfilter/xt_log.h
index 0dfb34a5b53c..7e1544e8f70d 100644
--- a/include/net/netfilter/xt_log.h
+++ b/include/net/netfilter/xt_log.h
@@ -6,7 +6,7 @@ struct sbuff {
 };
 static struct sbuff emergency, *emergency_ptr = &emergency;
 
-static int sb_add(struct sbuff *m, const char *f, ...)
+static __printf(2, 3) int sb_add(struct sbuff *m, const char *f, ...)
 {
 	va_list args;
 	int len;