diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 6e9c6e5..28b3d56 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -705,6 +705,7 @@ static int sco_sock_getsockopt_old(struct socket *sock, int optname, char __user
 			break;
 		}
 
+		memset(&cinfo, 0, sizeof(cinfo));
 		cinfo.hci_handle = sco_pi(sk)->conn->hcon->handle;
 		memcpy(cinfo.dev_class, sco_pi(sk)->conn->hcon->dev_class, 3);