From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 1 Mar 2012 02:56:59 +0000 (+0000)
Subject: netfilter: xt_LOG: add __printf() to sb_add()
X-Git-Tag: firefly_0821_release~3680^2~3338^2~120^2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ace30d73ef09fd5f95b24c5c1c5aa11963981494;p=firefly-linux-kernel-4.4.55.git

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>
---

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;