Add missing break statement to address a violation of
MISRA C Rule 16.3: "An unconditional `break' statement shall terminate
every switch-clause".

No functional change.

Signed-off-by: Federico Serafini <federico.seraf...@bugseng.com>
Reviewed-by: Stefano Stabellini <sstabell...@kernel.org>
Acked-by: Jan Beulich <jbeul...@suse.com>
---
 xen/arch/x86/domctl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/xen/arch/x86/domctl.c b/xen/arch/x86/domctl.c
index 9190e11faa..68b5b46d1a 100644
--- a/xen/arch/x86/domctl.c
+++ b/xen/arch/x86/domctl.c
@@ -517,6 +517,7 @@ long arch_do_domctl(
 
         default:
             ret = -ENOSYS;
+            break;
         }
         break;
     }
-- 
2.34.1


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