linux-kernel - [PATCH 2/3] staging: dgnc: remove useless switch-case statements

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Message-ID: <20170312144653.GA24016@jyoun-Latitude-E6530>
Date:   Sun, 12 Mar 2017 23:46:53 +0900
From:   Daeseok Youn <daeseok.youn@...il.com>
To:     lidza.louina@...il.com
Cc:     markh@...pro.net, gregkh@...uxfoundation.org,
        driverdev-devel@...uxdriverproject.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [PATCH 2/3] 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@...il.com>
---
 drivers/staging/dgnc/dgnc_tty.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c
index c563ee3..7133d2c 100644
--- a/drivers/staging/dgnc/dgnc_tty.c
+++ b/drivers/staging/dgnc/dgnc_tty.c
@@ -1786,16 +1786,8 @@ static int dgnc_tty_send_break(struct tty_struct *tty, int msec)
 	if (!bd || bd->magic != DGNC_BOARD_MAGIC)
 		return ret;
 
-	switch (msec) {
-	case -1:
+	if (msec < 0)
 		msec = 0xFFFF;
-		break;
-	case 0:
-		msec = 0;
-		break;
-	default:
-		break;
-	}
 
 	spin_lock_irqsave(&ch->ch_lock, flags);
 
-- 
2.7.4