3.2.47-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Andrew Worsley <amwors...@gmail.com>
commit c515598e0f5769916c31c00392cc2bfe6af74e55 upstream.
Handle null old_termios in ftdi_set_termios() calls from uart_resume_port().
Signed-off-by: Andrew Worsley <amwors...@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gre...@suse.de>
Signed-off-by: Ben Hutchings <b...@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;
--
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