aboutsummaryrefslogtreecommitdiff
path: root/drivers/char/ttyprintk.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char/ttyprintk.c')
-rw-r--r--drivers/char/ttyprintk.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c
index 4945bd3d18d..a15ce4ef39c 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;
@@ -179,7 +179,6 @@ static int __init ttyprintk_init(void)
{
int ret = -ENOMEM;
- tpk_port.port.ops = &null_ops;
mutex_init(&tpk_port.port_write_mutex);
ttyprintk_driver = tty_alloc_driver(1,
@@ -190,6 +189,7 @@ static int __init ttyprintk_init(void)
return PTR_ERR(ttyprintk_driver);
tty_port_init(&tpk_port.port);
+ tpk_port.port.ops = &null_ops;
ttyprintk_driver->driver_name = "ttyprintk";
ttyprintk_driver->name = "ttyprintk";
@@ -210,10 +210,19 @@ static int __init ttyprintk_init(void)
return 0;
error:
- tty_unregister_driver(ttyprintk_driver);
put_tty_driver(ttyprintk_driver);
tty_port_destroy(&tpk_port.port);
- ttyprintk_driver = NULL;
return ret;
}
-module_init(ttyprintk_init);
+
+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");