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>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index 947d5c978b8f..f1edc0814120 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -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 */