[PATCH 5.10 253/286] tty: change tty_write_lock()s ndelay parameter to bool

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5.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jiri Slaby (SUSE) <jirislaby@xxxxxxxxxx>

[ Upstream commit af815336556df28f800669c58ab3bdad7d786b98 ]

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

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20230810091510.13006-6-jirislaby@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Stable-dep-of: 66aad7d8d3ec ("usb: cdc-acm: return correct error code on unsupported break")
Signed-off-by: Sasha Levin <sashal@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 1908f27a795a..3d2d82ff6a03 100644
--- a/drivers/tty/tty.h
+++ b/drivers/tty/tty.h
@@ -64,7 +64,7 @@ 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 094e82a12d29..38877489f700 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -948,7 +948,7 @@ 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)
@@ -1167,7 +1167,7 @@ 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);
@@ -2473,7 +2473,7 @@ 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 68b07250dcb6..12a30329abdb 100644
--- a/drivers/tty/tty_ioctl.c
+++ b/drivers/tty/tty_ioctl.c
@@ -404,7 +404,7 @@ 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? */
-- 
2.43.0







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