diff --git a/drivers/ras/ras.c b/drivers/ras/ras.c
index 94f8038864b4eeabea875b1fb888efcff52b517d..ed4c343d08c44a4795d04cb16d5d81047b1d9633 100644
--- a/drivers/ras/ras.c
+++ b/drivers/ras/ras.c
@@ -29,7 +29,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(extlog_mem_event);
 EXPORT_TRACEPOINT_SYMBOL_GPL(mc_event);
 
 
-int __init parse_ras_param(char *str)
+static int __init parse_ras_param(char *str)
 {
 #ifdef CONFIG_RAS_CEC
 	parse_cec_param(str);