From: Roger Pau Monne <roger.pau@citrix.com>
Date: Tue, 1 Sep 2020 08:33:24 +0000 (+0200)
Subject: xen/balloon: add header guard
X-Git-Tag: v5.9-rc4~4^2~2
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=aecb2016c90a1b620e21c9e143afbdc9666cce52;p=users%2Fdwmw2%2Flinux.git

xen/balloon: add header guard

In order to protect against the header being included multiple times
on the same compilation unit.

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20200901083326.21264-2-roger.pau@citrix.com
Signed-off-by: Juergen Gross <jgross@suse.com>
---

diff --git a/include/xen/balloon.h b/include/xen/balloon.h
index 6fb95aa194051..6dbdb0b3fd03d 100644
--- a/include/xen/balloon.h
+++ b/include/xen/balloon.h
@@ -2,6 +2,8 @@
 /******************************************************************************
  * Xen balloon functionality
  */
+#ifndef _XEN_BALLOON_H
+#define _XEN_BALLOON_H
 
 #define RETRY_UNLIMITED	0
 
@@ -34,3 +36,5 @@ static inline void xen_balloon_init(void)
 {
 }
 #endif
+
+#endif	/* _XEN_BALLOON_H */