diff --git a/drivers/ub/urma/ubcore/ubcore_genl_admin.c b/drivers/ub/urma/ubcore/ubcore_genl_admin.c
index 5b49137efb06a6e5c0428212b02e103fc00ec7cd..e3e34536a430dda31e83047b6192bae2ef896cf5 100644
--- a/drivers/ub/urma/ubcore/ubcore_genl_admin.c
+++ b/drivers/ub/urma/ubcore/ubcore_genl_admin.c
@@ -172,9 +172,13 @@ static int ubcore_update_ueid(struct netlink_callback *cb,
 	if (arg.in.ns_fd >= 0) {
 		net = get_net_ns_by_fd(arg.in.ns_fd);
 		if (IS_ERR(net) || !ubcore_dev_accessible(dev, net)) {
+			int err = IS_ERR(net) ? (int)PTR_ERR(net) : -EPERM;
+
 			ubcore_put_device(dev);
+			if (!IS_ERR(net))
+				put_net(net);
 			ubcore_log_err("invalid net ns.\n");
-			return (int)PTR_ERR(net);
+			return err;
 		}
 	} else if (op == UBCORE_MSG_ALLOC_EID) {
 		net = read_pnet(&dev->ldev.net);