[xen master] xen/sched: address violations of MISRA C:2012 Rule 16.3

[patchbot@xxxxxxx]

commit 226bdb155bc2686869004ac64a780993f48ccdcb
Author:     Federico Serafini <federico.serafini@xxxxxxxxxxx>
AuthorDate: Thu Apr 4 12:01:27 2024 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Apr 4 12:01:27 2024 +0200

    xen/sched: address violations of MISRA C:2012 Rule 16.3
    
    Add break statement to address a violation of MISRA C:2012 Rule 16.3
    ("An unconditional `break' statement shall terminate every
    switch-clause").
    Replace deprecated comment /* FALLTHRU */ with pseudo-keyword
    fallthrough to meet the requirements to deviate the rule.
    
    No functional change.
    
    Signed-off-by: Federico Serafini <federico.serafini@xxxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: George Dunlap <george.dunlap@xxxxxxxxx>
---
 xen/common/sched/core.c    | 1 +
 xen/common/sched/credit2.c | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/xen/common/sched/core.c b/xen/common/sched/core.c
index 3e48da1cdd..0cb33831d2 100644
--- a/xen/common/sched/core.c
+++ b/xen/common/sched/core.c
@@ -2007,6 +2007,7 @@ ret_t do_sched_op(int cmd, XEN_GUEST_HANDLE_PARAM(void) 
arg)
 
     default:
         ret = -ENOSYS;
+        break;
     }
 
     return ret;
diff --git a/xen/common/sched/credit2.c b/xen/common/sched/credit2.c
index c76330d79d..0962b52415 100644
--- a/xen/common/sched/credit2.c
+++ b/xen/common/sched/credit2.c
@@ -3152,8 +3152,8 @@ static int cf_check csched2_sys_cntl(
             printk(XENLOG_INFO "Disabling context switch rate limiting\n");
         prv->ratelimit_us = params->ratelimit_us;
         write_unlock_irqrestore(&prv->lock, flags);
+        fallthrough;
 
-    /* FALLTHRU */
     case XEN_SYSCTL_SCHEDOP_getinfo:
         params->ratelimit_us = prv->ratelimit_us;
         break;
--
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