linux-kernel - Re: [PATCH] mxser: fix compile warning building without CONFIG

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Date:	Sun, 03 Feb 2008 07:17:02 +0100
From:	Jiri Slaby <jirislaby@...il.com>
To:	Li Zefan <lizf@...fujitsu.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mxser: fix compile warning building without CONFIG_PCI

On 02/03/2008 03:59 AM, Li Zefan wrote:
> When build without CONFIG_PIC, got the following warnings:
> 
> drivers/char/mxser.c: In function 'mxser_init':
> drivers/char/mxser.c:698: warning: unused variable 'devnum'
> drivers/char/mxser.c:698: warning: unused variable 'busnum'
> drivers/char/mxser.c:697: warning: unused variable 'index'
> drivers/char/mxser.c:696: warning: unused variable 'pdev'
> drivers/char/mxser.c:695: warning: unused variable 'n'
> 
> Signed-off-by: Li Zefan <lizf@...fujitsu.com>
> ---
>  drivers/char/mxser.c |   14 ++++++--------
>  1 files changed, 6 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
> index fd0abef..b2cc93d 100644
> --- a/drivers/char/mxser.c
> +++ b/drivers/char/mxser.c
> @@ -692,10 +692,7 @@ static int mxser_get_PCI_conf(int busnum, int devnum, int board_type, struct mxs
>  
>  static int mxser_init(void)
>  {
> -	int i, m, retval, b, n;
> -	struct pci_dev *pdev = NULL;
> -	int index;
> -	unsigned char busnum, devnum;
> +	int i, m, retval, b;
>  	struct mxser_hwconf hwconf;
>  
>  	mxvar_sdriver = alloc_tty_driver(MXSER_PORTS + 1);
> @@ -834,10 +831,11 @@ static int mxser_init(void)
>  
>  	/* start finding PCI board here */
>  #ifdef CONFIG_PCI
> -	n = ARRAY_SIZE(mxser_pcibrds) - 1;
> -	index = 0;
>  	b = 0;
> -	while (b < n) {
> +	while (b < ARRAY_SIZE(mxser_pcibrds)-1) {
> +		unsigned char busnum, devnum;
> +		struct pci_dev *pdev;
> +
>  		pdev = pci_get_device(mxser_pcibrds[b].vendor,
>  				mxser_pcibrds[b].device, pdev);
>  		if (pdev == NULL) {

This version of driver is no longer in -mm.
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