linux-kernel - [PATCH v2 09/22] usb: serial: ti_usb_3410_5052: Remove useless tty

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 26 Jul 2016 19:59:49 +0200
From:	Mathieu OTHACEHE <m.othacehe@...il.com>
To:	johan@...nel.org, gregkh@...uxfoundation.org
Cc:	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
	Mathieu OTHACEHE <m.othacehe@...il.com>
Subject: [PATCH v2 09/22] usb: serial: ti_usb_3410_5052: Remove useless tty_wakeup

tty_wakeup is already called when blocked bulk-out transfers complete.

Signed-off-by: Mathieu OTHACEHE <m.othacehe@...il.com>
---
 drivers/usb/serial/ti_usb_3410_5052.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index e8515eb..5f0d010 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -1549,7 +1549,6 @@ static int ti_set_serial_info(struct tty_struct *tty, struct ti_port *tport,
 static void ti_handle_new_msr(struct ti_port *tport, u8 msr)
 {
 	struct async_icount *icount;
-	struct tty_struct *tty;
 	unsigned long flags;
 
 	dev_dbg(&tport->tp_port->dev, "%s - msr 0x%02X\n", __func__, msr);
@@ -1570,14 +1569,6 @@ static void ti_handle_new_msr(struct ti_port *tport, u8 msr)
 	}
 
 	tport->tp_msr = msr & TI_MSR_MASK;
-
-	/* handle CTS flow control */
-	tty = tty_port_tty_get(&tport->tp_port->port);
-	if (tty && C_CRTSCTS(tty)) {
-		if (msr & TI_MSR_CTS)
-			tty_wakeup(tty);
-	}
-	tty_kref_put(tty);
 }
 
 
-- 
2.9.0