linux-kernel - [PATCH RFC] [3/9] modpost: Declare the modpost error functions as printf like

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Message-Id: <20071122024308.9B40114D68@wotan.suse.de>
Date:	Thu, 22 Nov 2007 03:43:08 +0100 (CET)
From:	Andi Kleen <ak@...e.de>
To:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	sam@...nborg.org, rusty@...tcorp.com.au
Subject: [PATCH RFC] [3/9] modpost: Declare the modpost error functions as printf like


This way gcc can warn for wrong format strings

---
 scripts/mod/modpost.c |    8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

Index: linux/scripts/mod/modpost.c
===================================================================
--- linux.orig/scripts/mod/modpost.c
+++ linux/scripts/mod/modpost.c
@@ -33,7 +33,9 @@ enum export {
 	export_unused_gpl, export_gpl_future, export_unknown
 };
 
-void fatal(const char *fmt, ...)
+#define PRINTF __attribute__ ((format (printf, 1, 2)))
+
+PRINTF void fatal(const char *fmt, ...)
 {
 	va_list arglist;
 
@@ -46,7 +48,7 @@ void fatal(const char *fmt, ...)
 	exit(1);
 }
 
-void warn(const char *fmt, ...)
+PRINTF void warn(const char *fmt, ...)
 {
 	va_list arglist;
 
@@ -57,7 +59,7 @@ void warn(const char *fmt, ...)
 	va_end(arglist);
 }
 
-void merror(const char *fmt, ...)
+PRINTF void merror(const char *fmt, ...)
 {
 	va_list arglist;
 
-
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