--- zzzz-none-000/linux-4.9.218/drivers/usb/serial/usb_wwan.c	2020-04-02 15:20:41.000000000 +0000
+++ seale-7590ax-750/linux-4.9.218/drivers/usb/serial/usb_wwan.c	2023-03-29 10:59:07.000000000 +0000
@@ -305,6 +305,10 @@
 	if (status) {
 		dev_dbg(dev, "%s: nonzero status: %d on endpoint %02x.\n",
 			__func__, status, endpoint);
+
+		/* don't resubmit on fatal errors */
+		if (status == -ESHUTDOWN || status == -ENOENT || status == -EPROTO)
+			return;
 	} else {
 		if (urb->actual_length) {
 			tty_insert_flip_string(&port->port, data,