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--- driver/mxusbserial/mxusb-serial.c.orig 2021-11-21 01:10:31.632601395 -0500
+++ driver/mxusbserial/mxusb-serial.c 2021-11-21 01:11:48.575138551 -0500
@@ -1682,12 +1682,12 @@ struct tty_driver *mx_usbserial_tty_driv
int usb_serial_init(void)
{
int i;
int result;
- mx_usbserial_tty_driver = alloc_tty_driver(SERIAL_TTY_MINORS);
- if (!mx_usbserial_tty_driver)
+ mx_usbserial_tty_driver = tty_alloc_driver(SERIAL_TTY_MINORS,0);
+ if (IS_ERR(mx_usbserial_tty_driver))
return -ENOMEM;
/* Initialize our global data */
for (i = 0; i < SERIAL_TTY_MINORS; ++i) {
serial_table[i] = NULL;
@@ -1739,22 +1739,22 @@ exit_tty:
exit_reg_driver:
bus_unregister(&mx_usb_serial_bus_type);
exit_bus:
err ("%s - returning with error %d", __FUNCTION__, result);
- put_tty_driver(mx_usbserial_tty_driver);
+ tty_driver_kref_put(mx_usbserial_tty_driver);
return result;
}
void usb_serial_exit(void)
{
//mx_usbserial_console_exit();
usb_deregister(&usb_serial_driver);
tty_unregister_driver(mx_usbserial_tty_driver);
- put_tty_driver(mx_usbserial_tty_driver);
+ tty_driver_kref_put(mx_usbserial_tty_driver);
bus_unregister(&mx_usb_serial_bus_type);
}
module_init(usb_serial_init);
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