netdev - [PATCH] netfilter: ipt_LOG: add __printf() to sb

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Message-ID: <1330606619.2465.54.camel@edumazet-laptop>
Date:	Thu, 01 Mar 2012 04:56:59 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Pablo Neira Ayuso <pablo@...filter.org>
Cc:	Netfilter Development Mailinglist 
	<netfilter-devel@...r.kernel.org>, netdev <netdev@...r.kernel.org>,
	David Laight <David.Laight@...LAB.COM>
Subject: [PATCH] netfilter: ipt_LOG: add __printf() to sb_add()

Helps to find format mismatches at compile time

Suggested-by: David Laight <David.Laight@...LAB.COM>
Signed-off-by: Eric Dumazet <eric.dumazet@...il.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 0dfb34a..7e1544e 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;


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