From: Daeseok Youn <daeseok.youn@gmail.com>
Date: Wed, 6 Jul 2016 06:13:14 +0000 (+0900)
Subject: staging: dgnc: remove redundant variable null check
X-Git-Tag: v4.14-rc1~2366^2~1196
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=18419f77a22ae8d3b9330c83f6d09e0e66d2d755;p=platform%2Fkernel%2Flinux-rpi.git

staging: dgnc: remove redundant variable null check

The unit struct(un_t) was not used in dgnc_tty_hangup().

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 1387041..b33b07c 100644
--- a/drivers/staging/dgnc/dgnc_tty.c
+++ b/drivers/staging/dgnc/dgnc_tty.c
@@ -1289,15 +1289,9 @@ static int dgnc_block_til_ready(struct tty_struct *tty,
  */
 static void dgnc_tty_hangup(struct tty_struct *tty)
 {
-	struct un_t	*un;
-
 	if (!tty || tty->magic != TTY_MAGIC)
 		return;
 
-	un = tty->driver_data;
-	if (!un || un->magic != DGNC_UNIT_MAGIC)
-		return;
-
 	/* flush the transmit queues */
 	dgnc_tty_flush_buffer(tty);
 }