Re: [PATCH] ftrace: enable format arguments checking

[Lai Jiangshan <laijs@cn.fujitsu.com>]

Steven Rostedt wrote:
> On Sat, 20 Dec 2008, Lai Jiangshan wrote:
> 
> Could you resubmit with a "Impact" line.
> 
> Thanks,
> 

Impact: check format for ftrace_printk() when CONFIG_TRACING=n

format arguments checking for ftrace_printk() is __printf(1, 2),
not __printf(1, 0).

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
---
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 9c5bc6b..0c71788 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -210,7 +210,7 @@ extern void ftrace_dump(void);
 static inline void
 ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { }
 static inline int
-ftrace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 0)));
+ftrace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
 
 static inline int
 ftrace_printk(const char *fmt, ...)