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>
mariux64 · Mar 7, 2012 · ace30d7 · ace30d7
1 parent 24de58f
commit ace30d7
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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;