Add a header include guard just in case.
Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
---
include/linux/tnum.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/linux/tnum.h b/include/linux/tnum.h
index c7dc2b5902c0..c17af77f3fae 100644
--- a/include/linux/tnum.h
+++ b/include/linux/tnum.h
@@ -5,6 +5,10 @@
* propagate the unknown bits such that the tnum result represents all the
* possible results for possible values of the operands.
*/
+
+#ifndef _LINUX_TNUM_H
+#define _LINUX_TNUM_H
+
#include <linux/types.h>
struct tnum {
@@ -81,3 +85,5 @@ bool tnum_in(struct tnum a, struct tnum b);
int tnum_strn(char *str, size_t size, struct tnum a);
/* Format a tnum as tristate binary expansion */
int tnum_sbin(char *str, size_t size, struct tnum a);
+
+#endif /* _LINUX_TNUM_H */
--
2.17.1
