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path: root/drivers/s390/char/tty3270.c
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Diffstat (limited to 'drivers/s390/char/tty3270.c')
-rw-r--r--drivers/s390/char/tty3270.c27
1 files changed, 13 insertions, 14 deletions
diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c
index 7db5ebc..4b90693 100644
--- a/drivers/s390/char/tty3270.c
+++ b/drivers/s390/char/tty3270.c
@@ -653,18 +653,12 @@ tty3270_activate(struct raw3270_view *view)
tp->update_flags = TTY_UPDATE_ALL;
tty3270_set_timer(tp, 1);
spin_unlock_irqrestore(&tp->view.lock, flags);
- start_tty(tp->tty);
return 0;
}
static void
tty3270_deactivate(struct raw3270_view *view)
{
- struct tty3270 *tp;
-
- tp = (struct tty3270 *) view;
- if (tp && tp->tty)
- stop_tty(tp->tty);
}
static int
@@ -716,13 +710,13 @@ tty3270_alloc_view(void)
tp->freemem_pages[pages], PAGE_SIZE);
}
tp->write = raw3270_request_alloc(TTY3270_OUTPUT_BUFFER_SIZE);
- if (!tp->write)
+ if (IS_ERR(tp->write))
goto out_pages;
tp->read = raw3270_request_alloc(0);
- if (!tp->read)
+ if (IS_ERR(tp->read))
goto out_write;
tp->kreset = raw3270_request_alloc(1);
- if (!tp->kreset)
+ if (IS_ERR(tp->kreset))
goto out_read;
tp->kbd = kbd_alloc();
if (!tp->kbd)
@@ -845,7 +839,8 @@ tty3270_del_views(void)
int i;
for (i = 0; i < tty3270_max_index; i++) {
- tp = (struct tty3270 *) raw3270_find_view(&tty3270_fn, i);
+ tp = (struct tty3270 *)
+ raw3270_find_view(&tty3270_fn, i + RAW3270_FIRSTMINOR);
if (!IS_ERR(tp))
raw3270_del_view(&tp->view);
}
@@ -871,7 +866,9 @@ tty3270_open(struct tty_struct *tty, struct file * filp)
if (tty->count > 1)
return 0;
/* Check if the tty3270 is already there. */
- tp = (struct tty3270 *) raw3270_find_view(&tty3270_fn, tty->index);
+ tp = (struct tty3270 *)
+ raw3270_find_view(&tty3270_fn,
+ tty->index + RAW3270_FIRSTMINOR);
if (!IS_ERR(tp)) {
tty->driver_data = tp;
tty->winsize.ws_row = tp->view.rows - 2;
@@ -903,7 +900,8 @@ tty3270_open(struct tty_struct *tty, struct file * filp)
(void (*)(unsigned long)) tty3270_read_tasklet,
(unsigned long) tp->read);
- rc = raw3270_add_view(&tp->view, &tty3270_fn, tty->index);
+ rc = raw3270_add_view(&tp->view, &tty3270_fn,
+ tty->index + RAW3270_FIRSTMINOR);
if (rc) {
tty3270_free_view(tp);
return rc;
@@ -911,8 +909,8 @@ tty3270_open(struct tty_struct *tty, struct file * filp)
rc = tty3270_alloc_screen(tp);
if (rc) {
- raw3270_del_view(&tp->view);
raw3270_put_view(&tp->view);
+ raw3270_del_view(&tp->view);
return rc;
}
@@ -1780,7 +1778,7 @@ tty3270_init(void)
struct tty_driver *driver;
int ret;
- driver = alloc_tty_driver(256);
+ driver = alloc_tty_driver(RAW3270_MAXDEVS);
if (!driver)
return -ENOMEM;
@@ -1794,6 +1792,7 @@ tty3270_init(void)
driver->driver_name = "ttyTUB";
driver->name = "ttyTUB";
driver->major = IBM_TTY3270_MAJOR;
+ driver->minor_start = RAW3270_FIRSTMINOR;
driver->type = TTY_DRIVER_TYPE_SYSTEM;
driver->subtype = SYSTEM_TYPE_TTY;
driver->init_termios = tty_std_termios;
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