[PATCH v3 1/2] Return a value from printk_ratelimited

[Omar Sandoval]

printk returns an integer; there's no reason for printk_ratelimited to swallow
it.

Signed-off-by: Omar Sandoval <osandov@xxxxxxxxxxx>
Acked-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
 include/linux/printk.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/linux/printk.h b/include/linux/printk.h
index d78125f..89bb7ab 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -343,12 +343,14 @@ extern asmlinkage void dump_stack(void) __cold;
 #ifdef CONFIG_PRINTK
 #define printk_ratelimited(fmt, ...)					\
 ({									\
+	int __ret_printk_ratelimited = 0;				\
 	static DEFINE_RATELIMIT_STATE(_rs,				\
 				      DEFAULT_RATELIMIT_INTERVAL,	\
 				      DEFAULT_RATELIMIT_BURST);		\
 									\
 	if (__ratelimit(&_rs))						\
-		printk(fmt, ##__VA_ARGS__);				\
+		__ret_printk_ratelimited = printk(fmt, ##__VA_ARGS__);	\
+	__ret_printk_ratelimited;					\
 })
 #else
 #define printk_ratelimited(fmt, ...)					\
-- 
2.1.1

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