x86/cpuidle: identify a legitimate fallthrough case

to appease the Missing Break checker.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Coverity-id: 1291938

diff --git a/xen/arch/x86/acpi/cpu_idle.c b/xen/arch/x86/acpi/cpu_idle.c
index e639c99a00f0e68f82fcf88734ea697358d2d327..d6613c915c793885a6c26594f3bc802fb7f93522 100644 (file)
--- a/xen/arch/x86/acpi/cpu_idle.c
+++ b/xen/arch/x86/acpi/cpu_idle.c
@@ -200,6 +200,7 @@ static void do_get_hw_residencies(void *arg)
     /* Silvermont */
     case 0x37:
         GET_MC6_RES(hw_res->mc6);
+        /* fall through */
     case 0x4A:
     case 0x4D:
     case 0x5A: