[PATCH 08/17] xen/efi: address violations of MISRA C:2012 Directive 4.10

[Alessandro Zucchelli <alessandro.zucchelli@xxxxxxxxxxx>]

From: 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>
Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Signed-off-by: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
Signed-off-by: Alessandro Zucchelli <alessandro.zucchelli@xxxxxxxxxxx>

---
Changes in v4:
- drop XEN_ prefix from inclusion guard, according to the feedback received
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/efi/efi.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/xen/common/efi/efi.h b/xen/common/efi/efi.h
index c02fbb7b69..e5eae8f78a 100644
--- a/xen/common/efi/efi.h
+++ b/xen/common/efi/efi.h
@@ -1,3 +1,6 @@
+#ifndef COMMON_EFI_EFI_H
+#define COMMON_EFI_EFI_H
+
 #include <asm/efibind.h>
 #include <efi/efidef.h>
 #include <efi/efierr.h>
@@ -51,3 +54,5 @@ void free_ebmalloc_unused_mem(void);
 
 const void *pe_find_section(const void *image, const UINTN image_size,
                             const CHAR16 *section_name, UINTN *size_out);
+
+#endif /* COMMON_EFI_EFI_H */
-- 
2.34.1