Index: transport_tcp.c
===================================================================
--- transport_tcp.c	(revision 42089)
+++ transport_tcp.c	(working copy)
@@ -415,18 +415,27 @@
 {
 	int ret;
 	struct sockaddr_in6 sin6;
+	struct sockaddr_in sin;
 	struct socket *ksmbd_socket;
-
+	bool ipv4 = false;
+	
 	ret = sock_create(PF_INET6, SOCK_STREAM, IPPROTO_TCP, &ksmbd_socket);
 	if (ret) {
-		ksmbd_err("Can't create socket: %d\n", ret);
-		goto out_error;
+		ksmbd_err("Can't create socket for ipv6, try ipv4: %d\n", ret);
+		ret = sock_create(PF_INET, SOCK_STREAM, IPPROTO_TCP, &ksmbd_socket);
+		if (ret) {
+			ksmbd_err("Can't create socket for ipv4: %d\n", ret);
+			goto out_error;
+		}
+		sin.sin_family = PF_INET;
+		sin.sin_addr.s_addr = INADDR_ANY;
+		sin.sin_port = htons(server_conf.tcp_port);
+		ipv4 = true;
+	} else {
+		sin6.sin6_family = PF_INET6;
+		sin6.sin6_addr = in6addr_any;
+		sin6.sin6_port = htons(server_conf.tcp_port);
 	}
-
-	sin6.sin6_family = PF_INET6;
-	sin6.sin6_addr = in6addr_any;
-	sin6.sin6_port = htons(server_conf.tcp_port);
-
 	ksmbd_tcp_nodelay(ksmbd_socket);
 	ksmbd_tcp_reuseaddr(ksmbd_socket);
 
@@ -439,8 +448,11 @@
 		ksmbd_err("Failed to set SO_BINDTODEVICE: %d\n", ret);
 		goto out_error;
 	}
-
-	ret = kernel_bind(ksmbd_socket, (struct sockaddr *)&sin6, sizeof(sin6));
+	
+	if (ipv4)
+	    ret = kernel_bind(ksmbd_socket, (struct sockaddr *)&sin, sizeof(sin));
+	else
+	    ret = kernel_bind(ksmbd_socket, (struct sockaddr *)&sin6, sizeof(sin6));
 	if (ret) {
 		ksmbd_err("Failed to bind socket: %d\n", ret);
 		goto out_error;