linux-kernel - [PATCH] staging: dgnc: dgnc_cls: Removed variables that is never used

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Date:	Wed, 28 Jan 2015 23:40:56 +0100
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	Lidza Louina <lidza.louina@...il.com>,
	Mark Hounschell <markh@...pro.net>
Cc:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	driverdev-devel@...uxdriverproject.org, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] staging: dgnc: dgnc_cls: Removed variables that is never used

Variable ar assigned a value that is never used.
I have also removed all the code that thereby serves no purpose.

This was found using a static code analysis program called cppcheck

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
---
 drivers/staging/dgnc/dgnc_cls.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/staging/dgnc/dgnc_cls.c b/drivers/staging/dgnc/dgnc_cls.c
index bedc522..5fec747 100644
--- a/drivers/staging/dgnc/dgnc_cls.c
+++ b/drivers/staging/dgnc/dgnc_cls.c
@@ -893,10 +893,8 @@ static void cls_copy_data_from_uart_to_queue(struct channel_t *ch)
 		 * Discard character if we are ignoring the error mask.
 		*/
 		if (linestatus & error_mask)  {
-			unsigned char discard;
-
 			linestatus = 0;
-			discard = readb(&ch->ch_cls_uart->txrx);
+			readb(&ch->ch_cls_uart->txrx);
 			continue;
 		}
 
-- 
1.7.10.4

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