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[XEN PATCH 09/13] x86/mm: add defensive return



Add defensive return statement at the end of an unreachable
default case. Other than improve safety, this meets the requirements
to deviate a violation of MISRA C Rule 16.3.

Signed-off-by: Federico Serafini <federico.serafini@xxxxxxxxxxx>
---
 xen/arch/x86/mm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c
index 648d6dd475..2e19ced15e 100644
--- a/xen/arch/x86/mm.c
+++ b/xen/arch/x86/mm.c
@@ -916,6 +916,7 @@ get_page_from_l1e(
                 return 0;
             default:
                 ASSERT_UNREACHABLE();
+                return 0;
             }
         }
         else if ( l1f & _PAGE_RW )
-- 
2.34.1




 


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