From: Oscar Carter <oscar.carter@gmx.com>
To: Kees Cook <keescook@chromium.org>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Christian Borntraeger <borntraeger@de.ibm.com>
Cc: kernel-hardening@lists.openwall.com, linux-s390@vger.kernel.org,
linux-kernel@vger.kernel.org, Oscar Carter <oscar.carter@gmx.com>
Subject: [PATCH] drivers/s390/char/tty3270: Remove function callback casts
Date: Sat, 27 Jun 2020 14:54:17 +0200 [thread overview]
Message-ID: <20200627125417.18887-1-oscar.carter@gmx.com> (raw)
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>
---
drivers/s390/char/tty3270.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c
index 98d7fc152e32..aec996de44d9 100644
--- a/drivers/s390/char/tty3270.c
+++ b/drivers/s390/char/tty3270.c
@@ -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);
--
2.20.1
next reply other threads:[~2020-06-27 12:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-27 12:54 Oscar Carter [this message]
2020-06-27 16:10 ` [PATCH] drivers/s390/char/tty3270: Remove function callback casts Kees Cook
2020-07-04 12:25 ` Oscar Carter
2020-06-29 11:54 ` Heiko Carstens
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