diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 7eeb4b6de6ded137eed16c0dd6610e98bba37630..26e1cf7f666ce2dc589f105273109bcfb79c9a85 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -1128,6 +1128,14 @@ static struct socket *nbd_get_socket(struct nbd_device *nbd, unsigned long fd,
 	if (!sock)
 		return NULL;
 
+	if (!sk_is_tcp(sock->sk) &&
+	    !sk_is_stream_unix(sock->sk)) {
+		dev_err(disk_to_dev(nbd->disk), "Unsupported socket: should be TCP or UNIX.\n");
+		*err = -EINVAL;
+		sockfd_put(sock);
+		return NULL;
+	}
+
 	if (sock->ops->shutdown == sock_no_shutdown) {
 		dev_err(disk_to_dev(nbd->disk), "Unsupported socket: shutdown callout must be supported.\n");
 		*err = -EINVAL;