linux-kernel - [PATCH 42/50] remove fallback to drivers for TIOCGICOUNT

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Message-Id: <20180913024049.24567-42-viro@ZenIV.linux.org.uk>
Date:   Thu, 13 Sep 2018 03:40:41 +0100
From:   Al Viro <viro@...IV.linux.org.uk>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 42/50] remove fallback to drivers for TIOCGICOUNT

From: Al Viro <viro@...iv.linux.org.uk>

none of them handles it anyway.

Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
---
 drivers/tty/tty_io.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index b389163c4c5e..0f75ae6bfaa7 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -2606,11 +2606,7 @@ long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	case TIOCMBIS:
 		return tty_tiocmset(tty, cmd, p);
 	case TIOCGICOUNT:
-		retval = tty_tiocgicount(tty, p);
-		/* For the moment allow fall through to the old method */
-        	if (retval != -EINVAL)
-			return retval;
-		break;
+		return tty_tiocgicount(tty, p);
 	case TCFLSH:
 		switch (arg) {
 		case TCIFLUSH:
-- 
2.11.0