[PATCH 05/36] tty: change tty_write_lock()'s ndelay parameter to bool

From: Jiri Slaby (SUSE)
Date: Thu Aug 10 2023 - 05:15:54 EST


It's a yes-no parameter, so convert it to bool to be obvious.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@xxxxxxxxxx>
---
drivers/tty/tty.h | 2 +-
drivers/tty/tty_io.c | 6 +++---
drivers/tty/tty_ioctl.c | 2 +-
3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/tty/tty.h b/drivers/tty/tty.h
index 89769a1f1f97..2751ac3946e7 100644
--- a/drivers/tty/tty.h
+++ b/drivers/tty/tty.h
@@ -63,7 +63,7 @@ int tty_check_change(struct tty_struct *tty);
void __stop_tty(struct tty_struct *tty);
void __start_tty(struct tty_struct *tty);
void tty_write_unlock(struct tty_struct *tty);
-int tty_write_lock(struct tty_struct *tty, int ndelay);
+int tty_write_lock(struct tty_struct *tty, bool ndelay);
void tty_vhangup_session(struct tty_struct *tty);
void tty_open_proc_set_tty(struct file *filp, struct tty_struct *tty);
int tty_signal_session_leader(struct tty_struct *tty, int exit_session);
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index eb4e2e0e300d..54036a20a102 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -946,7 +946,7 @@ void tty_write_unlock(struct tty_struct *tty)
wake_up_interruptible_poll(&tty->write_wait, EPOLLOUT);
}

-int tty_write_lock(struct tty_struct *tty, int ndelay)
+int tty_write_lock(struct tty_struct *tty, bool ndelay)
{
if (!mutex_trylock(&tty->atomic_write_lock)) {
if (ndelay)
@@ -1160,7 +1160,7 @@ int tty_send_xchar(struct tty_struct *tty, char ch)
return 0;
}

- if (tty_write_lock(tty, 0) < 0)
+ if (tty_write_lock(tty, false) < 0)
return -ERESTARTSYS;

down_read(&tty->termios_rwsem);
@@ -2486,7 +2486,7 @@ static int send_break(struct tty_struct *tty, unsigned int duration)
retval = tty->ops->break_ctl(tty, duration);
else {
/* Do the work ourselves */
- if (tty_write_lock(tty, 0) < 0)
+ if (tty_write_lock(tty, false) < 0)
return -EINTR;
retval = tty->ops->break_ctl(tty, -1);
if (retval)
diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c
index 2e88b414cf95..e3e1318f53fd 100644
--- a/drivers/tty/tty_ioctl.c
+++ b/drivers/tty/tty_ioctl.c
@@ -507,7 +507,7 @@ static int set_termios(struct tty_struct *tty, void __user *arg, int opt)
if (retval < 0)
return retval;

- if (tty_write_lock(tty, 0) < 0)
+ if (tty_write_lock(tty, false) < 0)
goto retry_write_wait;

/* Racing writer? */
--
2.41.0