xen: Add __attribute__((format(printf... where appropriate
Use the compiler to verify printf formats and arguments.
Fix fallout.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
diff --git a/include/xen/xenbus.h b/include/xen/xenbus.h
index 5467369..aceeca7 100644
--- a/include/xen/xenbus.h
+++ b/include/xen/xenbus.h
@@ -223,7 +223,9 @@
enum xenbus_state xenbus_read_driver_state(const char *path);
+__attribute__((format(printf, 3, 4)))
void xenbus_dev_error(struct xenbus_device *dev, int err, const char *fmt, ...);
+__attribute__((format(printf, 3, 4)))
void xenbus_dev_fatal(struct xenbus_device *dev, int err, const char *fmt, ...);
const char *xenbus_strstate(enum xenbus_state state);