Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit c515598e authored by Andrew Worsley's avatar Andrew Worsley Committed by Greg Kroah-Hartman
Browse files

USB: serial: ftdi_sio: Handle the old_termios == 0 case e.g. uart_resume_port() 



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

Signed-off-by: default avatarAndrew Worsley <amworsley@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 045ddc89

drivers/usb/serial/ftdi_sio.c

+4 −0
Original line number Diff line number Diff line
@@ -2104,6 +2104,9 @@ static void ftdi_set_termios(struct tty_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)
@@ -2117,6 +2120,7 @@ static void ftdi_set_termios(struct tty_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;