From 18900ca65a8553edc608b6c9d518eb31e6c09ba1 Mon Sep 17 00:00:00 2001
From: Peter Hurley <peter@hurleysoftware.com>
Date: Sat, 9 Apr 2016 17:06:48 -0700
Subject: tty: Replace TTY_IO_ERROR bit tests with tty_io_error()
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>
---
include/linux/tty.h | 5 +++++
1 file changed, 5 insertions(+)
(limited to 'include/linux/tty.h')
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 3b09f235db66..68d829bf93b8 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -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);
--
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