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tty: make tty_change_softcar() more understandable 

* rename 'arg' to 'enable' as that is what it means.
* make 'bit' a tcflag_t, not int, as that is what cflags are.

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230810091510.13006-9-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby (SUSE) 2023-08-10 11:14:42 +02:00 committed by Greg Kroah-Hartman
parent d1150d2990
commit 77b425e4ef
1 changed files with 3 additions and 3 deletions
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6
drivers/tty/tty_ioctl.c
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@ -737,17 +737,17 @@ static int set_ltchars(struct tty_struct *tty, struct ltchars __user *ltchars)
/**
* tty_change_softcar - carrier change ioctl helper
* @tty: tty to update
* @arg: enable/disable CLOCAL
* @enable: enable/disable CLOCAL
*
* Perform a change to the CLOCAL state and call into the driver
* layer to make it visible. All done with the termios rwsem
*/
static int tty_change_softcar(struct tty_struct *tty, int arg)
static int tty_change_softcar(struct tty_struct *tty, bool enable)
{
int ret = 0;
int bit = arg ? CLOCAL : 0;
struct ktermios old;
tcflag_t bit = enable ? CLOCAL : 0;
down_write(&tty->termios_rwsem);
old = tty->termios;