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TTY: tty3270, move initialization to allocation 

Let us initialize all the tty3270's members at the place where the
structure is allocated.

It cleans up tty->ops->open a bit.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: linux390@de.ibm.com
Cc: linux-s390@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby 2012-04-02 13:54:15 +02:00 committed by Greg Kroah-Hartman
parent b538c4eaf2
commit 9d2ae2335c
1 changed files with 10 additions and 10 deletions
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20
drivers/s390/char/tty3270.c
View File

@ -690,6 +690,16 @@ tty3270_alloc_view(void)
if (!tp->freemem_pages)
goto out_tp;
INIT_LIST_HEAD(&tp->freemem);
INIT_LIST_HEAD(&tp->lines);
INIT_LIST_HEAD(&tp->update);
INIT_LIST_HEAD(&tp->rcl_lines);
tp->rcl_max = 20;
setup_timer(&tp->timer, (void (*)(unsigned long)) tty3270_update,
(unsigned long) tp);
tasklet_init(&tp->readlet,
(void (*)(unsigned long)) tty3270_read_tasklet,
(unsigned long) tp->read);
for (pages = 0; pages < TTY3270_STRING_PAGES; pages++) {
tp->freemem_pages[pages] = (void *)
__get_free_pages(GFP_KERNEL|GFP_DMA, 0);
@ -879,16 +889,6 @@ tty3270_open(struct tty_struct *tty, struct file * filp)
if (IS_ERR(tp))
return PTR_ERR(tp);
INIT_LIST_HEAD(&tp->lines);
INIT_LIST_HEAD(&tp->update);
INIT_LIST_HEAD(&tp->rcl_lines);
tp->rcl_max = 20;
setup_timer(&tp->timer, (void (*)(unsigned long)) tty3270_update,
(unsigned long) tp);
tasklet_init(&tp->readlet,
(void (*)(unsigned long)) tty3270_read_tasklet,
(unsigned long) tp->read);
rc = raw3270_add_view(&tp->view, &tty3270_fn,
tty->index + RAW3270_FIRSTMINOR);
if (rc) {