diff --git a/kernel/trace/trace_eprobe.c b/kernel/trace/trace_eprobe.c
index fe4833a7b7b3c89be6826fe5c8dce210fb193e77..e888446d80fa251d0da6c5c88e51941158de684f 100644
--- a/kernel/trace/trace_eprobe.c
+++ b/kernel/trace/trace_eprobe.c
@@ -901,7 +901,7 @@ static int trace_eprobe_tp_update_arg(struct trace_eprobe *ep, const char *argv[
 
 static int trace_eprobe_parse_filter(struct trace_eprobe *ep, int argc, const char *argv[])
 {
-	struct event_filter *dummy;
+	struct event_filter *dummy = NULL;
 	int i, ret, len = 0;
 	char *p;