staging: dgnc: remove useless switch-case statements

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>

diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c
index dc76e9f6ef918eb7ded295e3ca909610dce8b1c6..854bd1da8887fbd0f1f9772950cf879d631e4d25 100644 (file)
--- a/drivers/staging/dgnc/dgnc_tty.c
+++ b/drivers/staging/dgnc/dgnc_tty.c
@@ -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);