diff options
| author | Jiri Slaby (SUSE) <jirislaby@kernel.org> | 2023-09-19 11:51:47 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-10-03 15:31:15 +0300 |
| commit | c2a36609dab3b7c937ab95bfb8b98e72391f772e (patch) | |
| tree | 40ba25c1bd907bd250dcdc04994bff4e69521f39 /drivers/tty/tty_ioctl.c | |
| parent | 043c8a7c01ec4b13aa0da11a86425241937b112c (diff) | |
| download | linux-c2a36609dab3b7c937ab95bfb8b98e72391f772e.tar.xz | |
tty: switch tty_{,un}throttle_safe() to return a bool
They return 0 or 1 -- a boolean value, so make it clear than noone
should expect negative or other values.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230919085156.1578-7-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/tty_ioctl.c')
| -rw-r--r-- | drivers/tty/tty_ioctl.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c index 7958bf6d27c4..ba60fcf518e0 100644 --- a/drivers/tty/tty_ioctl.c +++ b/drivers/tty/tty_ioctl.c @@ -124,17 +124,16 @@ EXPORT_SYMBOL(tty_unthrottle); * conditions when throttling is conditional on factors evaluated prior to * throttling. * - * Returns 0 if tty is throttled (or was already throttled) + * Returns false if tty is throttled (or was already throttled) */ - -int tty_throttle_safe(struct tty_struct *tty) +bool tty_throttle_safe(struct tty_struct *tty) { - int ret = 0; + bool ret = false; mutex_lock(&tty->throttle_mutex); if (!tty_throttled(tty)) { if (tty->flow_change != TTY_THROTTLE_SAFE) - ret = 1; + ret = true; else { set_bit(TTY_THROTTLED, &tty->flags); if (tty->ops->throttle) @@ -155,17 +154,16 @@ int tty_throttle_safe(struct tty_struct *tty) * unthrottle due to race conditions when unthrottling is conditional * on factors evaluated prior to unthrottling. * - * Returns 0 if tty is unthrottled (or was already unthrottled) + * Returns false if tty is unthrottled (or was already unthrottled) */ - -int tty_unthrottle_safe(struct tty_struct *tty) +bool tty_unthrottle_safe(struct tty_struct *tty) { - int ret = 0; + bool ret = false; mutex_lock(&tty->throttle_mutex); if (tty_throttled(tty)) { if (tty->flow_change != TTY_UNTHROTTLE_SAFE) - ret = 1; + ret = true; else { clear_bit(TTY_THROTTLED, &tty->flags); if (tty->ops->unthrottle) |