kbuild: declare the modpost error functions as printf like
This way gcc can warn for wrong format strings
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 93ac52a..3a12c22 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -33,7 +33,9 @@
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 @@
exit(1);
}
-void warn(const char *fmt, ...)
+PRINTF void warn(const char *fmt, ...)
{
va_list arglist;
@@ -57,7 +59,7 @@
va_end(arglist);
}
-void merror(const char *fmt, ...)
+PRINTF void merror(const char *fmt, ...)
{
va_list arglist;