linux-kernel - Re: [PATCH] serial: remove unused variable

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Date:	Tue, 14 Oct 2008 13:50:47 +0800
From:	Jianjun Kong <kongjianjun@...il.com>
To:	Simon Holm Th�gersen <odie@...aau.dk>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Alan Cox <alan@...hat.com>, David Miller <davem@...emloft.net>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] serial: remove unused variable

On Tue, Oct 14, 2008 at 12:58:31AM +0200, Simon Holm Th�gersen wrote:
>This fixes the following compile warning:
>
>drivers/serial/8250.c: In function 'serial8250_init':
>drivers/serial/8250.c:2963: warning: unused variable 'i'
>
>that was introduced by b70ac771 (serial: allow 8250 to be used on sparc)
>that removed the last use of the variable.
>
>Signed-off-by: Simon Holm Thøgersen <odie@...aau.dk>
>---
> drivers/serial/8250.c |    2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
>diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
>index d4104a3..625fc20 100644
>--- a/drivers/serial/8250.c
>+++ b/drivers/serial/8250.c
>@@ -2960,7 +2960,7 @@ EXPORT_SYMBOL(serial8250_unregister_port);
> 
> static int __init serial8250_init(void)
> {
>-	int ret, i;
>+	int ret;
> 
> 	if (nr_uarts > UART_NR)
> 		nr_uarts = UART_NR;

I find those code in this function  __init serial8250_init(void)

        for (i = 0; i < NR_IRQS; i++)
                spin_lock_init(&irq_lists[i].lock);

So you do not remove the 'i'.

-- 
Jianjun Kong | Happy Hacking
HomePage: http://kongove.cn
Gtalk: kongjianjun@...il.com
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