[PATCH 2/3] staging: dgnc: remove redundant variable null check

From	Daeseok Youn <daeseok.youn@gmail.com>
Newsgroups	linux.kernel
Subject	[PATCH 2/3] staging: dgnc: remove redundant variable null check
Date	2016-05-12 13:20 +0200
Message-ID	<rxWOR-4u5-15@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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

Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
---
 drivers/staging/dgnc/dgnc_tty.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c
index 52a1613..5119bcb 100644
--- a/drivers/staging/dgnc/dgnc_tty.c
+++ b/drivers/staging/dgnc/dgnc_tty.c
@@ -1294,15 +1294,9 @@ 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);
 }
-- 
2.8.2

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[PATCH 2/3] staging: dgnc: remove redundant variable null check Daeseok Youn <daeseok.youn@gmail.com> - 2016-05-12 13:20 +0200

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