linux-kernel - [PATCH] device_cgroup: add include guard to device

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Message-Id: <20190819071133.10588-1-yamada.masahiro@socionext.com>
Date:   Mon, 19 Aug 2019 16:11:33 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     "David S . Miller" <davem@...emloft.net>
Cc:     linux-kernel@...r.kernel.org,
        Masahiro Yamada <yamada.masahiro@...ionext.com>
Subject: [PATCH] device_cgroup: add include guard to device_cgroup.h

Add a header include guard just in case.

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

 include/linux/device_cgroup.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/linux/device_cgroup.h b/include/linux/device_cgroup.h
index 8557efe096dc..7c1d832d29a6 100644
--- a/include/linux/device_cgroup.h
+++ b/include/linux/device_cgroup.h
@@ -1,4 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _LINUX_DEVICE_CGROUP_H
+#define _LINUX_DEVICE_CGROUP_H
+
 #include <linux/fs.h>
 #include <linux/bpf-cgroup.h>
 
@@ -77,3 +81,5 @@ static inline int devcgroup_inode_permission(struct inode *inode, int mask)
 static inline int devcgroup_inode_mknod(int mode, dev_t dev)
 { return 0; }
 #endif
+
+#endif /* _LINUX_DEVICE_CGROUP_H */
-- 
2.17.1