diff options
| -rw-r--r-- | drivers/char/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/char/ttyprintk.c | 13 |
2 files changed, 13 insertions, 2 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index fbae63e3d304..6e9f74a5c095 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -40,7 +40,7 @@ config SGI_MBCS source "drivers/tty/serial/Kconfig" config TTY_PRINTK - bool "TTY driver to output user messages via printk" + tristate "TTY driver to output user messages via printk" depends on EXPERT && TTY default n ---help--- diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c index 2a39c5790364..a15ce4ef39cd 100644 --- a/drivers/char/ttyprintk.c +++ b/drivers/char/ttyprintk.c @@ -17,7 +17,7 @@ #include <linux/device.h> #include <linux/serial.h> #include <linux/tty.h> -#include <linux/export.h> +#include <linux/module.h> struct ttyprintk_port { struct tty_port port; @@ -214,4 +214,15 @@ error: tty_port_destroy(&tpk_port.port); return ret; } + +static void __exit ttyprintk_exit(void) +{ + tty_unregister_driver(ttyprintk_driver); + put_tty_driver(ttyprintk_driver); + tty_port_destroy(&tpk_port.port); +} + device_initcall(ttyprintk_init); +module_exit(ttyprintk_exit); + +MODULE_LICENSE("GPL"); |