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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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6
drivers/isdn/i4l/isdn_tty.c
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@@ -1351,7 +1351,7 @@ isdn_tty_tiocmget(struct tty_struct *tty)
if (isdn_tty_paranoia_check(info, tty->name, __func__))
return -ENODEV;
if (tty->flags & (1 << TTY_IO_ERROR))
if (tty_io_error(tty))
return -EIO;
mutex_lock(&modem_info_mutex);
@@ -1378,7 +1378,7 @@ isdn_tty_tiocmset(struct tty_struct *tty,
if (isdn_tty_paranoia_check(info, tty->name, __func__))
return -ENODEV;
if (tty->flags & (1 << TTY_IO_ERROR))
if (tty_io_error(tty))
return -EIO;
#ifdef ISDN_DEBUG_MODEM_IOCTL
@@ -1419,7 +1419,7 @@ isdn_tty_ioctl(struct tty_struct *tty, uint cmd, ulong arg)
if (isdn_tty_paranoia_check(info, tty->name, "isdn_tty_ioctl"))
return -ENODEV;
if (tty->flags & (1 << TTY_IO_ERROR))
if (tty_io_error(tty))
return -EIO;
switch (cmd) {
case TCSBRK: /* SVID version: non-zero arg --> no break */