Thread (23 messages) 23 messages, 3 authors, 2023-01-13
STALE1284d REVIEWED: 4 (4M)
Revisions (4)
  1. v1 [diff vs current]
  2. v2 [diff vs current]
  3. v3 current
  4. v4 [diff vs current]

[PATCH v3 10/13] tty: Return bool from tty_termios_hw_change()

From: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Date: 2023-01-11 14:25:40
Also in: lkml
Subsystem: the rest, tty layer and serial drivers · Maintainers: Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby

Change tty_termios_hw_change() to return bool.

Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
 drivers/tty/tty_ioctl.c | 8 ++++----
 include/linux/tty.h     | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c
index ce511557b98b..12983ce4e43e 100644
--- a/drivers/tty/tty_ioctl.c
+++ b/drivers/tty/tty_ioctl.c
@@ -270,13 +270,13 @@ EXPORT_SYMBOL(tty_termios_copy_hw);
  *	between the two termios structures, or a speed change is needed.
  */
 
-int tty_termios_hw_change(const struct ktermios *a, const struct ktermios *b)
+bool tty_termios_hw_change(const struct ktermios *a, const struct ktermios *b)
 {
 	if (a->c_ispeed != b->c_ispeed || a->c_ospeed != b->c_ospeed)
-		return 1;
+		return true;
 	if ((a->c_cflag ^ b->c_cflag) & ~(HUPCL | CREAD | CLOCAL))
-		return 1;
-	return 0;
+		return true;
+	return false;
 }
 EXPORT_SYMBOL(tty_termios_hw_change);
 
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 730c3301d710..093935e97f42 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -453,7 +453,7 @@ unsigned char tty_get_char_size(unsigned int cflag);
 unsigned char tty_get_frame_size(unsigned int cflag);
 
 void tty_termios_copy_hw(struct ktermios *new, const struct ktermios *old);
-int tty_termios_hw_change(const struct ktermios *a, const struct ktermios *b);
+bool tty_termios_hw_change(const struct ktermios *a, const struct ktermios *b);
 int tty_set_termios(struct tty_struct *tty, struct ktermios *kt);
 
 void tty_wakeup(struct tty_struct *tty);
-- 
2.30.2
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