lkml.org 
[lkml]   [2013]   [Jun]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Date
Subject[31/83] USB: serial: ftdi_sio: Handle the old_termios == 0 case e.g. uart_resume_port()
3.2.47-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Andrew Worsley <amworsley@gmail.com>

commit c515598e0f5769916c31c00392cc2bfe6af74e55 upstream.

Handle null old_termios in ftdi_set_termios() calls from uart_resume_port().

Signed-off-by: Andrew Worsley <amworsley@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
drivers/usb/serial/ftdi_sio.c | 4 ++++
1 file changed, 4 insertions(+)

--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -2169,6 +2169,9 @@ static void ftdi_set_termios(struct tty_

cflag = termios->c_cflag;

+ if (old_termios == 0)
+ goto no_skip;
+
if (old_termios->c_cflag == termios->c_cflag
&& old_termios->c_ispeed == termios->c_ispeed
&& old_termios->c_ospeed == termios->c_ospeed)
@@ -2182,6 +2185,7 @@ static void ftdi_set_termios(struct tty_
(termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)))
goto no_data_parity_stop_changes;

+no_skip:
/* Set number of data bits, parity, stop bits */

urb_value = 0;


\
 
 \ /
  Last update: 2013-06-17 01:21    [W:0.227 / U:0.252 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site