commit 18900ca65a8553edc608b6c9d518eb31e6c09ba1
author Peter Hurley <peter@hurleysoftware.com> Sat Apr 09 17:06:48 2016 -0700
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Sat Apr 30 09:26:55 2016 -0700
tree 6712f933f9145ce4ad365388817266c0c9ebac68
parent 1aabf523a288b09d660992c22e307110c70f746d

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>

drivers/tty/synclink_gt.c

diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c
index c0a2f5a..1f7d6d9 100644
--- a/drivers/tty/synclink_gt.c
+++ b/drivers/tty/synclink_gt.c
@@ -1032,7 +1032,7 @@
 
 	if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
 	    (cmd != TIOCMIWAIT)) {
-		if (tty->flags & (1 << TTY_IO_ERROR))
+		if (tty_io_error(tty))
 		    return -EIO;
 	}
 
@@ -3269,7 +3269,7 @@
 
 	DBGINFO(("%s block_til_ready\n", tty->driver->name));
 
-	if (filp->f_flags & O_NONBLOCK || tty->flags & (1 << TTY_IO_ERROR)){
+	if (filp->f_flags & O_NONBLOCK || tty_io_error(tty)) {
 		/* nonblock mode is set or port is not enabled */
 		port->flags |= ASYNC_NORMAL_ACTIVE;
 		return 0;