[xen staging] x86/mm: address violations of MISRA C Rule 16.3

[patchbot@xxxxxxx]

commit f6cc23e234b57412a32cb13b1a118cb653fc49c9
Author:     Federico Serafini <federico.serafini@xxxxxxxxxxx>
AuthorDate: Wed Sep 11 12:56:33 2024 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Sep 11 12:56:33 2024 +0200

    x86/mm: address violations of MISRA C Rule 16.3
    
    Address violations of MISRA C:2012 Rule 16.3:
    "An unconditional `break' statement shall terminate every
    switch-clause".
    
    No functional change.
    
    Signed-off-by: Federico Serafini <federico.serafini@xxxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 xen/arch/x86/mm/guest_walk.c     | 1 +
 xen/arch/x86/mm/hap/hap.c        | 2 +-
 xen/arch/x86/mm/hap/nested_hap.c | 1 +
 xen/arch/x86/mm/paging.c         | 2 +-
 4 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/xen/arch/x86/mm/guest_walk.c b/xen/arch/x86/mm/guest_walk.c
index fe7393334f..f48c3ef75f 100644
--- a/xen/arch/x86/mm/guest_walk.c
+++ b/xen/arch/x86/mm/guest_walk.c
@@ -498,6 +498,7 @@ guest_walk_tables(const struct vcpu *v, struct p2m_domain 
*p2m,
             hvmemul_write_cache(v, l4gpa, &gw->l4e, sizeof(gw->l4e));
         }
 #endif
+        break;
     }
 
  out:
diff --git a/xen/arch/x86/mm/hap/hap.c b/xen/arch/x86/mm/hap/hap.c
index d2011fde24..ec5043a8aa 100644
--- a/xen/arch/x86/mm/hap/hap.c
+++ b/xen/arch/x86/mm/hap/hap.c
@@ -652,7 +652,7 @@ int hap_domctl(struct domain *d, struct 
xen_domctl_shadow_op *sc,
         return rc;
     case XEN_DOMCTL_SHADOW_OP_GET_ALLOCATION:
         sc->mb = hap_get_allocation(d);
-        /* Fall through... */
+        fallthrough;
     case XEN_DOMCTL_SHADOW_OP_OFF:
         return 0;
     default:
diff --git a/xen/arch/x86/mm/hap/nested_hap.c b/xen/arch/x86/mm/hap/nested_hap.c
index 080b60adf0..cc7bc6e5ea 100644
--- a/xen/arch/x86/mm/hap/nested_hap.c
+++ b/xen/arch/x86/mm/hap/nested_hap.c
@@ -217,6 +217,7 @@ int nestedhvm_hap_nested_page_fault(
         p2ma_10 = p2m_access_n;
         /* For safety, remove all permissions. */
         gdprintk(XENLOG_ERR, "Unhandled p2m access type:%d\n", p2ma_10);
+        break;
     }
     /* Use minimal permission for nested p2m. */
     p2ma_10 &= (p2m_access_t)p2ma_21;
diff --git a/xen/arch/x86/mm/paging.c b/xen/arch/x86/mm/paging.c
index dd47bde5ce..c77f4c1dac 100644
--- a/xen/arch/x86/mm/paging.c
+++ b/xen/arch/x86/mm/paging.c
@@ -726,7 +726,7 @@ int paging_domctl(struct domain *d, struct 
xen_domctl_shadow_op *sc,
     case XEN_DOMCTL_SHADOW_OP_ENABLE:
         if ( !(sc->mode & XEN_DOMCTL_SHADOW_ENABLE_LOG_DIRTY) )
             break;
-        /* Else fall through... */
+        fallthrough;
     case XEN_DOMCTL_SHADOW_OP_ENABLE_LOGDIRTY:
         return paging_log_dirty_enable(d);
 
--
generated by git-patchbot for /home/xen/git/xen.git#staging