diff options
Diffstat (limited to '0006-kernel-5.15-alloc_tty_driver-put_tty_driver.patch')
| -rw-r--r-- | 0006-kernel-5.15-alloc_tty_driver-put_tty_driver.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/0006-kernel-5.15-alloc_tty_driver-put_tty_driver.patch b/0006-kernel-5.15-alloc_tty_driver-put_tty_driver.patch new file mode 100644 index 000000000000..ac39dd01d743 --- /dev/null +++ b/0006-kernel-5.15-alloc_tty_driver-put_tty_driver.patch @@ -0,0 +1,41 @@ +--- nslink.c.orig 2021-11-20 15:13:52.248938958 -0500 ++++ nslink.c 2021-11-20 15:15:42.252800968 -0500 +@@ -5634,11 +5634,11 @@ int register_tty_driver(tBoxPortCount *u + + numBoxes = bp.boxCount; + + // Set up the tty driver structure and then register this + // driver with the tty layer. +- nslink_driver = alloc_tty_driver((MAX_NRP_TOTAL_PORTS - 1)); ++ nslink_driver = tty_alloc_driver((MAX_NRP_TOTAL_PORTS - 1),0); + + nslink_driver->magic = TTY_DRIVER_MAGIC; + nslink_driver->driver_name = "NS-Link"; + nslink_driver->name = "ttySI"; + nslink_driver->num = bp.portCount; +@@ -5661,11 +5661,11 @@ int register_tty_driver(tBoxPortCount *u + nslink_driver->owner = THIS_MODULE; + tty_set_operations(nslink_driver, &nslink_ops); + retval = tty_register_driver(nslink_driver); + if (retval < 0) { + printk(KERN_INFO "Couldn't install tty NS-Link driver (error %d)\n", -retval); +- put_tty_driver(nslink_driver); ++ tty_driver_kref_put(nslink_driver); + return retval; + } + driver_registered = 1; + printk(KERN_INFO "NS-Link driver is major %d\n", nslink_driver->major); + return 0; +@@ -5737,11 +5737,11 @@ static void nrp_cleanup_module(void) + for (i = 0; i < numBoxes; i++) + free_si_box(i); + + if (driver_registered) { + tty_unregister_driver(nslink_driver); +- put_tty_driver(nslink_driver); ++ tty_driver_kref_put(nslink_driver); + } + + printk(KERN_INFO "nslink: finished driver module shutdown\n"); + return; + } |