diff --git a/net/nfc/llcp_sock.c b/net/nfc/llcp_sock.c
index feab29fc62f4..4b162df0c3fc 100644
--- a/net/nfc/llcp_sock.c
+++ b/net/nfc/llcp_sock.c
@@ -319,6 +319,12 @@ static int nfc_llcp_getsockopt(struct socket *sock, int level, int optname,
 	if (get_user(len, optlen))
 		return -EFAULT;
 
+	if (len < 0)
+		return -EINVAL;
+
+	if (len < sizeof(u32))
+		return -EINVAL;
+
 	local = llcp_sock->local;
 	if (!local)
 		return -ENODEV;