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OpenCloudOS-Kernel
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um: Use tty_port_operations->destruct 

As we setup the SIGWINCH handler in tty_port_operations->activate
it makes sense to tear down it in ->destruct.

Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Richard Weinberger 2013-03-11 10:03:42 +01:00
parent 72383d43b2
commit cc4f02486c
3 changed files with 14 additions and 14 deletions
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26
arch/um/drivers/line.c
View File

@ -315,8 +315,22 @@ static int line_activate(struct tty_port *port, struct tty_struct *tty)
return 0;
}
static void unregister_winch(struct tty_struct *tty);
static void line_destruct(struct tty_port *port)
{
struct tty_struct *tty = tty_port_tty_get(port);
struct line *line = tty->driver_data;
if (line->sigio) {
unregister_winch(tty);
line->sigio = 0;
}
}
static const struct tty_port_operations line_port_ops = {
.activate = line_activate,
.destruct = line_destruct,
};
int line_open(struct tty_struct *tty, struct file *filp)
@ -340,18 +354,6 @@ int line_install(struct tty_driver *driver, struct tty_struct *tty,
return 0;
}
static void unregister_winch(struct tty_struct *tty);
void line_cleanup(struct tty_struct *tty)
{
struct line *line = tty->driver_data;
if (line->sigio) {
unregister_winch(tty);
line->sigio = 0;
}
}
void line_close(struct tty_struct *tty, struct file * filp)
{
struct line *line = tty->driver_data;

1
arch/um/drivers/ssl.c
View File

@ -105,7 +105,6 @@ static const struct tty_operations ssl_ops = {
.throttle = line_throttle,
.unthrottle = line_unthrottle,
.install = ssl_install,
.cleanup = line_cleanup,
.hangup = line_hangup,
};

1
arch/um/drivers/stdio_console.c
View File

@ -110,7 +110,6 @@ static const struct tty_operations console_ops = {
.set_termios = line_set_termios,
.throttle = line_throttle,
.unthrottle = line_unthrottle,
.cleanup = line_cleanup,
.hangup = line_hangup,
};