[XEN PATCH v3 07/16] xen/common: address violations of MISRA C:2012 Directive 4.10

[Simone Ballarin <simone.ballarin@xxxxxxxxxxx>]

Add inclusion guards to address violations of
MISRA C:2012 Directive 4.10 ("Precautions shall be taken in order
to prevent the contents of a header file being included more than
once").

Mechanical change.

Signed-off-by: Simone Ballarin <simone.ballarin@xxxxxxxxxxx>
Signed-off-by: Maria Celeste Cesario  <maria.celeste.cesario@xxxxxxxxxxx>

---
Changes in v3:
- remove trailing underscores
- change inclusion guard name to adhere to the new standard
Changes in v2:
- drop changes in C files
---
 xen/common/decompress.h    | 5 +++++
 xen/common/event_channel.h | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/xen/common/decompress.h b/xen/common/decompress.h
index e8195b353a..41848274ab 100644
--- a/xen/common/decompress.h
+++ b/xen/common/decompress.h
@@ -1,3 +1,6 @@
+#ifndef XEN_COMMON_DECOMPRESS_H
+#define XEN_COMMON_DECOMPRESS_H
+
 #ifdef __XEN__
 
 #include <xen/cache.h>
@@ -23,3 +26,5 @@
 #define large_free free
 
 #endif
+
+#endif /* XEN_COMMON_DECOMPRESS_H */
diff --git a/xen/common/event_channel.h b/xen/common/event_channel.h
index 45219ca67c..a23e39a713 100644
--- a/xen/common/event_channel.h
+++ b/xen/common/event_channel.h
@@ -1,5 +1,8 @@
 /* Event channel handling private header. */
 
+#ifndef XEN_COMMON_EVENT_CHANNEL_H
+#define XEN_COMMON_EVENT_CHANNEL_H
+
 #include <xen/event.h>
 
 static inline unsigned int max_evtchns(const struct domain *d)
@@ -52,6 +55,8 @@ int evtchn_fifo_init_control(struct evtchn_init_control 
*init_control);
 int evtchn_fifo_expand_array(const struct evtchn_expand_array *expand_array);
 void evtchn_fifo_destroy(struct domain *d);
 
+#endif /* XEN_COMMON_EVENT_CHANNEL_H */
+
 /*
  * Local variables:
  * mode: C
-- 
2.34.1