Commit 63b8ed26 authored by Johan Hovold's avatar Johan Hovold

USB: serial: xr: avoid requesting zero DTE rate

When the requested line speed is B0 (hangup) there is no need to use the
current speed in the line-coding request. This specifically avoids
requesting a zero DTE rate when the current speed is B0, which could
potentially confuse buggy firmware.
Reviewed-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
parent d03a6d4e
...@@ -749,8 +749,6 @@ static void xr_cdc_set_line_coding(struct tty_struct *tty, ...@@ -749,8 +749,6 @@ static void xr_cdc_set_line_coding(struct tty_struct *tty,
if (tty->termios.c_ospeed) if (tty->termios.c_ospeed)
lc->dwDTERate = cpu_to_le32(tty->termios.c_ospeed); lc->dwDTERate = cpu_to_le32(tty->termios.c_ospeed);
else if (old_termios)
lc->dwDTERate = cpu_to_le32(old_termios->c_ospeed);
else else
lc->dwDTERate = cpu_to_le32(9600); lc->dwDTERate = cpu_to_le32(9600);
......
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