linux-kernel - [PATCH 31/69] TTY: tty3270, move initialization to allocation

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Message-Id: <1333367693-3244-32-git-send-email-jslaby@suse.cz>
Date:	Mon,  2 Apr 2012 13:54:15 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	gregkh@...uxfoundation.org
Cc:	alan@...ux.intel.com, linux-kernel@...r.kernel.org,
	jirislaby@...il.com, Martin Schwidefsky <schwidefsky@...ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	linux390@...ibm.com, linux-s390@...r.kernel.org
Subject: [PATCH 31/69] 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@...e.cz>
Cc: Martin Schwidefsky <schwidefsky@...ibm.com>
Cc: Heiko Carstens <heiko.carstens@...ibm.com>
Cc: linux390@...ibm.com
Cc: linux-s390@...r.kernel.org
---
 drivers/s390/char/tty3270.c |   20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c
index b43445a..f3837da 100644
--- a/drivers/s390/char/tty3270.c
+++ b/drivers/s390/char/tty3270.c
@@ -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) {
-- 
1.7.9.2


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