linux-kernel - [PATCH] staging: dgap: remove unused variable 'orig

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Date:	Wed,  1 Oct 2014 22:41:36 +0530
From:	Rahul Bedarkar <rahulbedarkar89@...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:	driverdev-devel@...uxdriverproject.org, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org,
	Rahul Bedarkar <rahulbedarkar89@...il.com>
Subject: [PATCH] staging: dgap: remove unused variable 'orig_count'

This patch fixes sparse warning
warning: variable ‘orig_count’ set but not used [-Wunused-but-set-variable]

Signed-off-by: Rahul Bedarkar <rahulbedarkar89@...il.com>
---
 drivers/staging/dgap/dgap.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c
index 06c55cb..30723c3 100644
--- a/drivers/staging/dgap/dgap.c
+++ b/drivers/staging/dgap/dgap.c
@@ -2669,7 +2669,6 @@ static int dgap_tty_write(struct tty_struct *tty, const unsigned char *buf,
 	char __iomem *vaddr;
 	u16 head, tail, tmask, remain;
 	int bufcount, n;
-	int orig_count;
 	ulong lock_flags;
 
 	if (!tty)
@@ -2690,13 +2689,6 @@ static int dgap_tty_write(struct tty_struct *tty, const unsigned char *buf,
 	if (!count)
 		return 0;
 
-	/*
-	 * Store original amount of characters passed in.
-	 * This helps to figure out if we should ask the FEP
-	 * to send us an event when it has more space available.
-	 */
-	orig_count = count;
-
 	spin_lock_irqsave(&ch->ch_lock, lock_flags);
 
 	/* Get our space available for the channel from the board */
-- 
1.8.3.2

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