diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index bf96625..4e39898 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1304,7 +1304,7 @@
 		"Multi-Axis Controller"
 	};
 	const char *type, *bus;
-	char buf[64];
+	char buf[64] = "";
 	unsigned int i;
 	int len;
 	int ret;