[PATCH] xen/xsm: dummy.h: Fix MISRA C 2012 Directive 4.10 violation

[Xenia Ragiadakou <burzalodowa@xxxxxxxxx>]

Protect header file from being included more than once by adding ifndef guard.

Signed-off-by: Xenia Ragiadakou <burzalodowa@xxxxxxxxx>
---
 xen/include/xsm/dummy.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/xen/include/xsm/dummy.h b/xen/include/xsm/dummy.h
index 77f27e7163..8671af1ba4 100644
--- a/xen/include/xsm/dummy.h
+++ b/xen/include/xsm/dummy.h
@@ -15,6 +15,9 @@
  *  value of action.
  */
 
+#ifndef __XEN_XSM_DUMMY_H__
+#define __XEN_XSM_DUMMY_H__
+
 #include <xen/sched.h>
 #include <xsm/xsm.h>
 #include <public/hvm/params.h>
@@ -843,3 +846,5 @@ static XSM_INLINE int cf_check xsm_domain_resource_map(
     XSM_ASSERT_ACTION(XSM_DM_PRIV);
     return xsm_default_action(action, current->domain, d);
 }
+
+#endif /* __XEN_XSM_DUMMY_H__ */
-- 
2.34.1