linux-kernel - [PATCH] hwrng: timeriomem - add include guard to timeriomem-rng.h

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Date:   Mon, 29 Jul 2019 00:32:36 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Matt Mackall <mpm@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        linux-crypto@...r.kernel.org
Cc:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] hwrng: timeriomem - add include guard to timeriomem-rng.h

Add a header include guard just in case.

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

 include/linux/timeriomem-rng.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/timeriomem-rng.h b/include/linux/timeriomem-rng.h
index fd4a6e6ec831..672df7fbf6c1 100644
--- a/include/linux/timeriomem-rng.h
+++ b/include/linux/timeriomem-rng.h
@@ -5,6 +5,9 @@
  * Copyright (c) 2009 Alexander Clouter <alex@...riz.org.uk>
  */
 
+#ifndef _LINUX_TIMERIOMEM_RNG_H
+#define _LINUX_TIMERIOMEM_RNG_H
+
 struct timeriomem_rng_data {
 	void __iomem		*address;
 
@@ -14,3 +17,5 @@ struct timeriomem_rng_data {
 	/* bits of entropy per 1024 bits read */
 	unsigned int		quality;
 };
+
+#endif /* _LINUX_TIMERIOMEM_RNG_H */
-- 
2.17.1