MdeModulePkg:removes the unreachable ‘break’ instruction after a ‘return’ instruction in the switch().

Signed-off-by: Olivier Martin <olivier.martin@arm.com>
Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13778 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Dispatcher.c

@@ -662,8 +662,6 @@ Tcp4Dispatcher (
 
     return Tcp4AttachPcb (Sock);
 
-    break;
-
   case SOCK_FLUSH:
 
     Tcp4FlushPcb (Tcb);
@@ -683,16 +681,12 @@ Tcp4Dispatcher (
             (EFI_TCP4_CONFIG_DATA *) Data
             );
 
-    break;
-
   case SOCK_MODE:
 
     ASSERT ((Data != NULL) && (Tcb != NULL));
 
     return Tcp4GetMode (Tcb, (TCP4_MODE_DATA *) Data);
 
-    break;
-
   case SOCK_ROUTE:
 
     ASSERT ((Data != NULL) && (Tcb != NULL));