drop_monitor: remove unnecessary break after return

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c
index e70301e..50f9a9db 100644
--- a/net/core/drop_monitor.c
+++ b/net/core/drop_monitor.c
@@ -289,10 +289,8 @@
 	switch (info->genlhdr->cmd) {
 	case NET_DM_CMD_START:
 		return set_all_monitor_traces(TRACE_ON);
-		break;
 	case NET_DM_CMD_STOP:
 		return set_all_monitor_traces(TRACE_OFF);
-		break;
 	}
 
 	return -ENOTSUPP;