linux-kernel - [PATCH 3/7] Char: cyclades, fix unused variable

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Date:	Wed, 23 Mar 2011 09:49:56 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	jirislaby@...il.com
Cc:	linux-kernel@...r.kernel.org, Jiri Slaby <jslaby@...e.cz>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH 3/7] Char: cyclades, fix unused variable

drivers/tty/cyclades.c:1454:2: warning: Value stored to 'channel' is never read
	channel = info->line - card->first_line;
	^         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Fix it by moving it to the appropriate debug section where it is used.

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
Cc: Greg Kroah-Hartman <gregkh@...e.de>
---
 drivers/tty/cyclades.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/cyclades.c b/drivers/tty/cyclades.c
index c99728f..e6f20d2 100644
--- a/drivers/tty/cyclades.c
+++ b/drivers/tty/cyclades.c
@@ -1445,13 +1445,11 @@ static void cy_shutdown(struct cyclades_port *info, struct tty_struct *tty)
 {
 	struct cyclades_card *card;
 	unsigned long flags;
-	int channel;
 
 	if (!(info->port.flags & ASYNC_INITIALIZED))
 		return;
 
 	card = info->card;
-	channel = info->line - card->first_line;
 	if (!cy_is_Z(card)) {
 		spin_lock_irqsave(&card->card_lock, flags);
 
@@ -1476,6 +1474,7 @@ static void cy_shutdown(struct cyclades_port *info, struct tty_struct *tty)
 		spin_unlock_irqrestore(&card->card_lock, flags);
 	} else {
 #ifdef CY_DEBUG_OPEN
+		int channel = info->line - card->first_line;
 		printk(KERN_DEBUG "cyc shutdown Z card %d, channel %d, "
 			"base_addr %p\n", card, channel, card->base_addr);
 #endif
-- 
1.7.4.1


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