Patchwork netfilter: ipt_LOG: add __printf() to sb_add()

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Submitter Eric Dumazet
Date March 1, 2012, 12:56 p.m.
Message ID <1330606619.2465.54.camel@edumazet-laptop>
Download mbox | patch
Permalink /patch/144001/
State Not Applicable
Delegated to: David Miller
Headers show

Comments

Eric Dumazet - March 1, 2012, 12:56 p.m.
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(-)



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Patch

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;