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staging: dgnc: remove useless switch-case statements

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The dgnc_tty_send_break() has a switch-case condition for msec.
It is no use except case -1.

Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Daeseok Youn 2017-03-14 11:07:45 +09:00 committed by Greg Kroah-Hartman
parent dec5b6c569
commit 940f6daec0
1 changed files with 1 additions and 9 deletions
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10
drivers/staging/dgnc/dgnc_tty.c
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@ -1790,16 +1790,8 @@ static int dgnc_tty_send_break(struct tty_struct *tty, int msec)
if (!bd || bd->magic != DGNC_BOARD_MAGIC)
return -EIO;
switch (msec) {
case -1:
if (msec < 0)
msec = 0xFFFF;
break;
case 0:
msec = 0;
break;
default:
break;
}
spin_lock_irqsave(&ch->ch_lock, flags);