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tty: Replace TTY_IO_ERROR bit tests with tty_io_error()

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Abstract TTY_IO_ERROR status test treewide with tty_io_error().
NB: tty->flags uses atomic bit ops; replace non-atomic bit test
with test_bit().

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley 2016-04-09 17:06:48 -07:00 • committed by Greg Kroah-Hartman
parent 1aabf523a2
commit 18900ca65a
18 changed files with 39 additions and 37 deletions
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5
include/linux/tty.h
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@ -360,6 +360,11 @@ static inline void tty_set_flow_change(struct tty_struct *tty, int val)
smp_mb();
}
static inline bool tty_io_error(struct tty_struct *tty)
{
return test_bit(TTY_IO_ERROR, &tty->flags);
}
#ifdef CONFIG_TTY
extern void console_init(void);
extern void tty_kref_put(struct tty_struct *tty);