[xen master] xen/sched: address violation of MISRA C Rule 16.3

[patchbot@xxxxxxx]

commit 1f02168eeb387e0b949259267512f94bce697b3b
Author:     Nicola Vetrini <nicola.vetrini@xxxxxxxxx>
AuthorDate: Mon Nov 24 11:34:30 2025 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon Nov 24 11:34:30 2025 +0100

    xen/sched: address violation of MISRA C Rule 16.3
    
    The rule states: An unconditional `break' statement shall terminate
    every switch-clause.
    
    Use the `fallthrough' pseudo-keyword for which an ECLAIR deviation
    is already in place.
    
    No functional change.
    
    Signed-off-by: Nicola Vetrini <nicola.vetrini@xxxxxxxxx>
    Acked-by: Juergen Gross <jgross@xxxxxxxx>
---
 xen/common/sched/credit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/common/sched/credit.c b/xen/common/sched/credit.c
index 6dcf6b2c8b..e9a91d11c3 100644
--- a/xen/common/sched/credit.c
+++ b/xen/common/sched/credit.c
@@ -1288,7 +1288,7 @@ csched_sys_cntl(const struct scheduler *ops,
         prv->unit_migr_delay = MICROSECS(params->vcpu_migr_delay_us);
         spin_unlock_irqrestore(&prv->lock, flags);
 
-        /* FALLTHRU */
+        fallthrough;
     case XEN_SYSCTL_SCHEDOP_getinfo:
         params->tslice_ms = prv->tslice / MILLISECS(1);
         params->ratelimit_us = prv->ratelimit / MICROSECS(1);
--
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