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From: Al Viro <viro@ZenIV.linux.org.uk>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-kernel@vger.kernel.org
Subject: [PATCH 11/50] ipwireless: switch to ->[sg]et_serial()
Date: Thu, 13 Sep 2018 03:40:10 +0100	[thread overview]
Message-ID: <20180913024049.24567-11-viro@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20180913024049.24567-1-viro@ZenIV.linux.org.uk>

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

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/tty/ipwireless/tty.c | 36 ++++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c
index 1ef751c27ac6..fad3401e604d 100644
--- a/drivers/tty/ipwireless/tty.c
+++ b/drivers/tty/ipwireless/tty.c
@@ -248,22 +248,29 @@ static int ipw_write_room(struct tty_struct *linux_tty)
 	return room;
 }
 
-static int ipwireless_get_serial_info(struct ipw_tty *tty,
-				      struct serial_struct __user *retinfo)
+static int ipwireless_get_serial_info(struct tty_struct *linux_tty,
+				      struct serial_struct *ss)
 {
-	struct serial_struct tmp;
+	struct ipw_tty *tty = linux_tty->driver_data;
 
-	memset(&tmp, 0, sizeof(tmp));
-	tmp.type = PORT_UNKNOWN;
-	tmp.line = tty->index;
-	tmp.baud_base = 115200;
+	if (!tty)
+		return -ENODEV;
 
-	if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
-		return -EFAULT;
+	if (!tty->port.count)
+		return -EINVAL;
 
+	ss->type = PORT_UNKNOWN;
+	ss->line = tty->index;
+	ss->baud_base = 115200;
 	return 0;
 }
 
+static int ipwireless_set_serial_info(struct tty_struct *linux_tty,
+				      struct serial_struct *ss)
+{
+	return 0;	/* Keeps the PCMCIA scripts happy. */
+}
+
 static int ipw_chars_in_buffer(struct tty_struct *linux_tty)
 {
 	struct ipw_tty *tty = linux_tty->driver_data;
@@ -386,15 +393,6 @@ static int ipw_ioctl(struct tty_struct *linux_tty,
 		return -EINVAL;
 
 	/* FIXME: Exactly how is the tty object locked here .. */
-
-	switch (cmd) {
-	case TIOCGSERIAL:
-		return ipwireless_get_serial_info(tty, (void __user *) arg);
-
-	case TIOCSSERIAL:
-		return 0;	/* Keeps the PCMCIA scripts happy. */
-	}
-
 	if (tty->tty_type == TTYTYPE_MODEM) {
 		switch (cmd) {
 		case PPPIOCGCHAN:
@@ -561,6 +559,8 @@ static const struct tty_operations tty_ops = {
 	.chars_in_buffer = ipw_chars_in_buffer,
 	.tiocmget = ipw_tiocmget,
 	.tiocmset = ipw_tiocmset,
+	.set_serial = ipwireless_set_serial_info,
+	.get_serial = ipwireless_get_serial_info,
 };
 
 int ipwireless_tty_init(void)
-- 
2.11.0


  parent reply	other threads:[~2018-09-13  2:45 UTC|newest]

Thread overview: 95+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-13  2:31 [PATCHES] tty ioctls cleanups, compat and not only Al Viro
2018-09-13  2:40 ` [PATCH 01/50] presence of RS485 ioctls has been unconditional since 2014 Al Viro
2018-09-13  2:40   ` [PATCH 02/50] move compat handling of tty ioctls to tty_compat_ioctl() Al Viro
2018-09-14 15:15     ` Arnd Bergmann
2018-09-14 18:16       ` gregkh
2018-09-14 19:38         ` Arnd Bergmann
2018-09-15 18:51           ` gregkh
2018-09-13  2:40   ` [PATCH 03/50] tty_ioctl(): drop FIONBIO handling Al Viro
2018-09-13  2:40   ` [PATCH 04/50] mos7720: bury dead TIOCM... in ->ioctl() Al Viro
2018-09-14 13:31     ` Johan Hovold
2018-09-13  2:40   ` [PATCH 05/50] tty_ioctl(): start taking TIOC[SG]SERIAL into separate methods Al Viro
2018-09-14 13:22     ` Johan Hovold
2018-09-14 15:18       ` Al Viro
2018-09-14 16:23         ` Johan Hovold
2018-09-13  2:40   ` [PATCH 06/50] simserial: switch to ->[sg]et_serial() Al Viro
2018-09-13  2:40   ` [PATCH 07/50] fwserial: " Al Viro
2018-09-13  2:40   ` [PATCH 08/50] greybus/uart: " Al Viro
2018-09-14 13:31     ` Johan Hovold
2018-09-13  2:40   ` [PATCH 09/50] amiserial: " Al Viro
2018-09-13 10:33     ` Greg Kroah-Hartman
2018-10-11 17:58     ` Geert Uytterhoeven
2018-10-13  5:36       ` Al Viro
2018-09-13  2:40   ` [PATCH 10/50] cyclades: " Al Viro
2018-09-13  2:40   ` Al Viro [this message]
2018-09-14 12:00     ` [PATCH 11/50] ipwireless: " David Sterba
2018-09-13  2:40   ` [PATCH 12/50] isicom: " Al Viro
2018-09-13  2:40   ` [PATCH 13/50] moxa: " Al Viro
2018-09-13  2:40   ` [PATCH 14/50] mxser: " Al Viro
2018-09-13  2:40   ` [PATCH 15/50] serial_core: " Al Viro
2018-09-13  2:40   ` [PATCH 16/50] rfcomm: get rid of mentioning TIOC[SG]SERIAL Al Viro
2018-09-13  2:40   ` [PATCH 17/50] usb-serial: begin switching to ->[sg]et_serial() Al Viro
2018-09-14 13:39     ` Johan Hovold
2018-09-14 15:23       ` Al Viro
2018-09-14 15:26         ` Johan Hovold
2018-09-13  2:40   ` [PATCH 18/50] cdc-acm: switch " Al Viro
2018-09-13  2:40   ` [PATCH 19/50] ark3116: switch to ->get_serial() Al Viro
2018-09-14 13:41     ` Johan Hovold
2018-09-13  2:40   ` [PATCH 20/50] f81232: " Al Viro
2018-09-14 13:42     ` Johan Hovold
2018-09-13  2:40   ` [PATCH 21/50] f81534: " Al Viro
2018-09-14 13:43     ` Johan Hovold
2018-09-13  2:40   ` [PATCH 22/50] fdti_sio: switch to ->[sg]et_serial() Al Viro
2018-09-14 13:47     ` Johan Hovold
2018-09-13  2:40   ` [PATCH 23/50] io_edgeport: switch to ->get_serial() Al Viro
2018-09-14 13:58     ` Johan Hovold
2018-09-13  2:40   ` [PATCH 24/50] io_ti: " Al Viro
2018-09-14 13:59     ` Johan Hovold
2018-09-13  2:40   ` [PATCH 25/50] mos7720: " Al Viro
2018-09-14 14:02     ` Johan Hovold
2018-09-13  2:40   ` [PATCH 26/50] mos7840: " Al Viro
2018-09-14 14:07     ` Johan Hovold
2018-09-13  2:40   ` [PATCH 27/50] opticon: " Al Viro
2018-09-14 14:08     ` Johan Hovold
2018-09-13  2:40   ` [PATCH 28/50] pl2303: " Al Viro
2018-09-14 14:08     ` Johan Hovold
2018-09-13  2:40   ` [PATCH 29/50] quatech2: " Al Viro
2018-09-14 14:09     ` Johan Hovold
2018-09-13  2:40   ` [PATCH 30/50] ssu100: " Al Viro
2018-09-14 14:10     ` Johan Hovold
2018-09-13  2:40   ` [PATCH 31/50] ti_usb_3410_5052: switch to ->[sg]et_serial() Al Viro
2018-09-14 14:12     ` Johan Hovold
2018-09-13  2:40   ` [PATCH 32/50] whiteheat: switch to ->get_serial() Al Viro
2018-09-14 14:15     ` Johan Hovold
2018-09-13  2:40   ` [PATCH 33/50] usb_wwan: switch to ->[sg]et_serial() Al Viro
2018-09-14 14:18     ` Johan Hovold
2018-09-13  2:40   ` [PATCH 34/50] complete ->[sg]et_serial() switchover Al Viro
2018-09-14 14:20     ` Johan Hovold
2018-09-13  2:40   ` [PATCH 35/50] synclink: reduce pointless checks in ->ioctl() Al Viro
2018-09-13  2:40   ` [PATCH 36/50] take compat TIOC[SG]SERIAL treatment into tty_compat_ioctl() Al Viro
2018-09-13  2:40   ` [PATCH 37/50] kill capinc_tty_ioctl() Al Viro
2018-09-13  2:40   ` [PATCH 38/50] isdn_tty: TCSBRK{,P} won't reach ->ioctl() Al Viro
2018-09-13  2:40   ` [PATCH 39/50] dgnc: TIOCM... " Al Viro
2018-09-13  2:40   ` [PATCH 40/50] kill the rest of tty COMPAT_IOCTL() entries Al Viro
2018-09-13 10:55     ` Arnd Bergmann
2018-09-13  2:40   ` [PATCH 41/50] dgnc: break-related ioctls won't reach ->ioctl() Al Viro
2018-09-13 11:59     ` Greg Kroah-Hartman
2018-09-13  2:40   ` [PATCH 42/50] remove fallback to drivers for TIOCGICOUNT Al Viro
2018-09-14 14:23     ` Johan Hovold
2018-09-13  2:40   ` [PATCH 43/50] dgnc: leave TIOC[GS]SOFTCAR to ldisc Al Viro
2018-09-13  2:40   ` [PATCH 44/50] dgnc: don't bother with (empty) stub for TCXONC Al Viro
2018-09-13  2:40   ` [PATCH 45/50] gigaset: don't try to printk userland buffer contents Al Viro
2018-09-13  2:40   ` [PATCH 46/50] vt_compat_ioctl(): clean up, use compat_ptr() properly Al Viro
2018-09-13 10:10     ` Arnd Bergmann
2018-09-13  2:40   ` [PATCH 47/50] gigaset: add ->compat_ioctl() Al Viro
2018-09-13  2:40   ` [PATCH 48/50] compat_ioctl - kill keyboard ioctl handling Al Viro
2018-09-13  2:40   ` [PATCH 49/50] pty: fix compat ioctls Al Viro
2018-09-13  2:40   ` [PATCH 50/50] synclink_gt(): fix compat_ioctl() Al Viro
2018-09-13 11:19 ` [PATCHES] tty ioctls cleanups, compat and not only Arnd Bergmann
2018-09-13 20:31   ` Al Viro
2018-09-13 20:56     ` Arnd Bergmann
2018-09-14  2:27       ` Al Viro
2018-09-14  8:21         ` Arnd Bergmann
2018-09-14 15:10           ` Al Viro
2018-09-14 15:33             ` Arnd Bergmann
2018-09-13 11:59 ` Greg Kroah-Hartman

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