linux-kernel - [PATCH 2/2] staging: dgnc: remove redundant check

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Message-Id: <1428275813-26390-2-git-send-email-giedrius.statkevicius@gmail.com>
Date:	Mon,  6 Apr 2015 02:16:53 +0300
From:	Giedrius Statkevicius <giedrius.statkevicius@...il.com>
To:	lidza.louina@...il.com, markh@...pro.net
Cc:	gregkh@...uxfoundation.org, driverdev-devel@...uxdriverproject.org,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	Giedrius Statkevičius 
	<giedrius.statkevicius@...il.com>
Subject: [PATCH 2/2] staging: dgnc: remove redundant check

count doesn't get changed in between identical checks in dgnc_tty_write() so
remove the second check

Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@...il.com>
---
v2: no change

 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 cf2eb21..61d5a8e 100644
--- a/drivers/staging/dgnc/dgnc_tty.c
+++ b/drivers/staging/dgnc/dgnc_tty.c
@@ -1773,12 +1773,6 @@ static int dgnc_tty_write(struct tty_struct *tty,
 		ch->ch_flags &= ~CH_PRON;
 	}
 
-	/*
-	 * If there is nothing left to copy, or I can't handle any more data, leave.
-	 */
-	if (count <= 0)
-		goto exit_retry;
-
 	n = count;
 
 	/*
-- 
2.3.5

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