[PATCH 4/6] xt_log: Make printk() in sb_close() optional

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Make printk() in sb_close() optional such that other modules
can build a log string without printing it using printk().

Signed-off-by: Richard Weinberger <richard@xxxxxx>
---
 include/net/netfilter/xt_log.h |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/include/net/netfilter/xt_log.h b/include/net/netfilter/xt_log.h
index 0dfb34a..767e08d 100644
--- a/include/net/netfilter/xt_log.h
+++ b/include/net/netfilter/xt_log.h
@@ -39,10 +39,12 @@ static struct sbuff *sb_open(void)
 	return m;
 }
 
-static void sb_close(struct sbuff *m)
+static void __sb_close(struct sbuff *m, int print)
 {
-	m->buf[m->count] = 0;
-	printk("%s\n", m->buf);
+	if (print) {
+		m->buf[m->count] = 0;
+		printk("%s\n", m->buf);
+	}
 
 	if (likely(m != &emergency))
 		kfree(m);
@@ -52,3 +54,4 @@ static void sb_close(struct sbuff *m)
 	}
 }
 
+#define sb_close(m)	__sb_close(m, 1)
-- 
1.7.7.3

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