kobj: add comment and multiple inclusion protection
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/include/linux/kobj_map.h b/include/linux/kobj_map.h
index 73717ed..18ca75f 100644
--- a/include/linux/kobj_map.h
+++ b/include/linux/kobj_map.h
@@ -1,3 +1,10 @@
+/*
+ * kobj_map.h
+ */
+
+#ifndef _KOBJ_MAP_H_
+#define _KOBJ_MAP_H_
+
#include <linux/mutex.h>
typedef struct kobject *kobj_probe_t(dev_t, int *, void *);
@@ -8,3 +15,5 @@
void kobj_unmap(struct kobj_map *, dev_t, unsigned long);
struct kobject *kobj_lookup(struct kobj_map *, dev_t, int *);
struct kobj_map *kobj_map_init(kobj_probe_t *, struct mutex *);
+
+#endif /* _KOBJ_MAP_H_ */