tty: change tty_write_lock()'s ndelay parameter to bool

[ Upstream commit af815336556df28f800669c58ab3bdad7d786b98 ]

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

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230810091510.13006-6-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: 66aad7d8d3ec ("usb: cdc-acm: return correct error code on unsupported break")
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/tty/tty.h b/drivers/tty/tty.h
index c5ee219127555471d83caa6abd9be4bc8e7e723a..91515e1ebc8d3c581b9e6409de50af94089b1bc1 100644 (file)
--- 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 8fb6c6853556ac0d5393792c9b5ad80c782fd388..860990719d1471b97bb2bf2f3e6ab65f69c38182 100644 (file)
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -939,7 +939,7 @@ 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)
@@ -1153,7 +1153,7 @@ 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);
@@ -2475,7 +2475,7 @@ 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 ad1cf51ecd11d3b1806589a29d1c959b8a6fee45..8767c504b95dd9078effc5d503803428722561fb 100644 (file)
--- a/drivers/tty/tty_ioctl.c
+++ b/drivers/tty/tty_ioctl.c
@@ -506,7 +506,7 @@ retry_write_wait:
                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? */