linux-kernel - [PATCH] staging: dgnc: remove some dead code from dgnc

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Date:	Wed,  8 Apr 2015 16:37:15 +0300
From:	Giedrius Statkevičius 
	<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] staging: dgnc: remove some dead code from dgnc_tty.c

Remove some dead code that will never be executed or which serves no purpose

Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@...il.com>
---
 drivers/staging/dgnc/dgnc_tty.c | 16 ----------------
 1 file changed, 16 deletions(-)

diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c
index ce4187f..f954228 100644
--- a/drivers/staging/dgnc/dgnc_tty.c
+++ b/drivers/staging/dgnc/dgnc_tty.c
@@ -428,9 +428,6 @@ void dgnc_tty_uninit(struct dgnc_board *brd)
 	brd->PrintDriver.ttys = NULL;
 }
 
-
-#define TMPBUFLEN (1024)
-
 /*=======================================================================
  *
  *	dgnc_wmove - Write data to transmit queue.
@@ -555,15 +552,6 @@ void dgnc_input(struct channel_t *ch)
 
 	ld = tty_ldisc_ref(tp);
 
-#ifdef TTY_DONT_FLIP
-	/*
-	 * If the DONT_FLIP flag is on, don't flush our buffer, and act
-	 * like the ld doesn't have any space to put the data right now.
-	 */
-	if (test_bit(TTY_DONT_FLIP, &tp->flags))
-		len = 0;
-#endif
-
 	/*
 	 * If we were unable to get a reference to the ld,
 	 * don't flush our buffer, and act like the ld doesn't
@@ -897,10 +885,6 @@ void dgnc_check_queue_flow_control(struct channel_t *ch)
 			ch->ch_stops_sent = 0;
 			ch->ch_bd->bd_ops->send_start_character(ch);
 		}
-		/* No FLOW */
-		else {
-			/* Nothing needed. */
-		}
 	}
 }
 
-- 
2.3.5

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