linux-kernel - [PATCH 2/2] staging: dgap: remove unused variable

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Date:	Thu, 10 Sep 2015 17:24:59 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Lidza Louina <lidza.louina@...il.com>,
	Mark Hounschell <markh@...pro.net>,
	Daeseok Youn <daeseok.youn@...il.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org,
	driverdev-devel@...uxdriverproject.org, devel@...verdev.osuosl.org,
	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: [PATCH 2/2] staging: dgap: remove unused variable

These variables were assigned some values but they were never used.
Removed them but kept one call to ioread8() as it might affect the
hardware.

Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
---
 drivers/staging/dgap/dgap.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c
index 20ba258..ee37938 100644
--- a/drivers/staging/dgap/dgap.c
+++ b/drivers/staging/dgap/dgap.c
@@ -1866,7 +1866,6 @@ static int dgap_event(struct board_t *bd)
 	int port;
 	int reason;
 	int modem;
-	int b1;
 
 	if (!bd || bd->magic != DGAP_BOARD_MAGIC)
 		return -EIO;
@@ -1911,7 +1910,7 @@ static int dgap_event(struct board_t *bd)
 		port   = ioread8(event);
 		reason = ioread8(event + 1);
 		modem  = ioread8(event + 2);
-		b1     = ioread8(event + 3);
+		ioread8(event + 3);
 
 		/*
 		 * Make sure the interrupt is valid.
@@ -4570,7 +4569,6 @@ static int dgap_tty_open(struct tty_struct *tty, struct file *file)
  */
 static void dgap_tty_close(struct tty_struct *tty, struct file *file)
 {
-	struct ktermios *ts;
 	struct board_t *bd;
 	struct channel_t *ch;
 	struct un_t *un;
@@ -4591,8 +4589,6 @@ static void dgap_tty_close(struct tty_struct *tty, struct file *file)
 	if (!bd || bd->magic != DGAP_BOARD_MAGIC)
 		return;
 
-	ts = &tty->termios;
-
 	spin_lock_irqsave(&ch->ch_lock, lock_flags);
 
 	/*
-- 
1.9.1

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