xen/evtchn: address a violation 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 ").

No functional change.

Signed-off-by: Federico Serafini <federico.serafini@bugseng.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>

diff --git a/xen/common/event_channel.c b/xen/common/event_channel.c
index 20f586cf5ecde5e0f9fe81b486dc7717146715ea..aceee0695f9fcc4d158f47aabbf27e580b0f53a5 100644 (file)
--- a/xen/common/event_channel.c
+++ b/xen/common/event_channel.c
@@ -853,6 +853,7 @@ int evtchn_send(struct domain *ld, unsigned int lport)
         break;
     default:
         ret = -EINVAL;
+        break;
     }
 
 out: