linux-kernel - [PATCH 2/2] auxdisplay: charlcd: add include guard to charlcd.h

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Date:   Tue,  6 Aug 2019 16:14:45 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Miguel Ojeda Sandonis <miguel.ojeda.sandonis@...il.com>
Cc:     linux-kernel@...r.kernel.org,
        Masahiro Yamada <yamada.masahiro@...ionext.com>
Subject: [PATCH 2/2] auxdisplay: charlcd: add include guard to charlcd.h

Add a header include guard just in case.

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

 drivers/auxdisplay/charlcd.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/auxdisplay/charlcd.h b/drivers/auxdisplay/charlcd.h
index 8cf6c18b0adb..00911ad0f3de 100644
--- a/drivers/auxdisplay/charlcd.h
+++ b/drivers/auxdisplay/charlcd.h
@@ -6,6 +6,9 @@
  * Copyright (C) 2016-2017 Glider bvba
  */
 
+#ifndef _CHARLCD_H
+#define _CHARLCD_H
+
 struct charlcd {
 	const struct charlcd_ops *ops;
 	const unsigned char *char_conv;	/* Optional */
@@ -37,3 +40,5 @@ int charlcd_register(struct charlcd *lcd);
 int charlcd_unregister(struct charlcd *lcd);
 
 void charlcd_poke(struct charlcd *lcd);
+
+#endif /* CHARLCD_H */
-- 
2.17.1