linux-kernel - [PATCH] Making fs/minix/minix.h double including safe

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Message-Id: <20090622.111120.683298528766430835.mitake@dcl.info.waseda.ac.jp>
Date:	Mon, 22 Jun 2009 11:11:20 +0900 (JST)
From:	Hitoshi Mitake <mitake@....info.waseda.ac.jp>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH] Making fs/minix/minix.h double including safe


Hi,

This is a very VERY trivial fix for Minix file system.

I happen to find that fs/minix/minix.h doesn't guard double include.
Yes, I know this never cause something destructive
because this is self-evidence that no source file includes minix.h twice,
but I think fixing this is better than disregarding it.
If you agree, please use it.

Signed-off-by: Hitoshi Mitake <mitake@....info.waseda.ac.jp>

diff --git a/fs/minix/minix.h b/fs/minix/minix.h
index cb7fdd1..9dcf95b 100644
--- a/fs/minix/minix.h
+++ b/fs/minix/minix.h
@@ -1,3 +1,6 @@
+#ifndef FS_MINIX_H
+#define FS_MINIX_H
+
 #include <linux/fs.h>
 #include <linux/pagemap.h>
 #include <linux/minix_fs.h>
@@ -86,3 +89,5 @@ static inline struct minix_inode_info *minix_i(struct inode *inode)
 {
 	return list_entry(inode, struct minix_inode_info, vfs_inode);
 }
+
+#endif /* FS_MINIX_H */

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