[add] switch default clause

1 files changed, 3 insertions, 0 deletions

diff --git a/src/ipc.c b/src/ipc.c
index 8e8c4db842..dd681f2892 100644
--- a/src/ipc.c
+++ b/src/ipc.c
@@ -117,6 +117,9 @@ rt_inline rt_err_t rt_ipc_list_suspend(rt_list_t        *list,
                 rt_list_insert_before(list, &(thread->tlist));
         }
         break;
+
+    default:
+        break;  
     }
 
     return RT_EOK;