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s390/tty3270: remove function callback casts

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In an effort to enable -Wcast-function-type in the top-level Makefile to
support Control Flow Integrity builds, remove all the function callback
casts.

To do this modify the function prototypes accordingly.

Signed-off-by: Oscar Carter <oscar.carter@gmx.com>
Message-Id: <20200627125417.18887-1-oscar.carter@gmx.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
[heiko.carstens@de.ibm.com: coding style changes]
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
This commit is contained in:
Oscar Carter 2020-06-27 14:54:17 +02:00 committed by Heiko Carstens
parent f05f62d042
commit 5cdfbdce5d
1 changed files with 6 additions and 6 deletions
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12
drivers/s390/char/tty3270.c
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@ -556,8 +556,9 @@ tty3270_scroll_backward(struct kbd_data *kbd)
* Pass input line to tty.
*/
static void
tty3270_read_tasklet(struct raw3270_request *rrq)
tty3270_read_tasklet(unsigned long data)
{
struct raw3270_request *rrq = (struct raw3270_request *)data;
static char kreset_data = TW_KR;
struct tty3270 *tp = container_of(rrq->view, struct tty3270, view);
char *input;
@ -652,8 +653,9 @@ tty3270_issue_read(struct tty3270 *tp, int lock)
* Hang up the tty
*/
static void
tty3270_hangup_tasklet(struct tty3270 *tp)
tty3270_hangup_tasklet(unsigned long data)
{
struct tty3270 *tp = (struct tty3270 *)data;
tty_port_tty_hangup(&tp->port, true);
raw3270_put_view(&tp->view);
}
@ -752,11 +754,9 @@ tty3270_alloc_view(void)
tty_port_init(&tp->port);
timer_setup(&tp->timer, tty3270_update, 0);
tasklet_init(&tp->readlet,
(void (*)(unsigned long)) tty3270_read_tasklet,
tasklet_init(&tp->readlet, tty3270_read_tasklet,
(unsigned long) tp->read);
tasklet_init(&tp->hanglet,
(void (*)(unsigned long)) tty3270_hangup_tasklet,
tasklet_init(&tp->hanglet, tty3270_hangup_tasklet,
(unsigned long) tp);
INIT_WORK(&tp->resize_work, tty3270_resize_work);