linux-kernel - Re: [PATCH v2 4/4] Staging: rts5208: Fix a format specifier for dev

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Date:	Tue, 8 Jul 2014 10:13:18 +0800
From:	micky <micky_ching@...lsil.com.cn>
To:	Fabio Falzoi <fabio.falzoi84@...il.com>,
	<gregkh@...uxfoundation.org>
CC:	<devel@...verdev.osuosl.org>, <linux-kernel@...r.kernel.org>,
	<joe@...ches.com>, <wei_wang@...lsil.com.cn>
Subject: Re: [PATCH v2 4/4] Staging: rts5208: Fix a format specifier for dev_err

On 07/07/2014 03:10 PM, Fabio Falzoi wrote:
> Fix an incorrect use of the %d format specifier in dev_err that caused a
> warning.
>
> Signed-off-by: Fabio Falzoi <fabio.falzoi84@...il.com>
> ---
>   drivers/staging/rts5208/rtsx.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/staging/rts5208/rtsx.c b/drivers/staging/rts5208/rtsx.c
> index 4f5f7a3..9aae7ac 100644
> --- a/drivers/staging/rts5208/rtsx.c
> +++ b/drivers/staging/rts5208/rtsx.c
> @@ -463,14 +463,14 @@ static int rtsx_control_thread(void *__dev)
>   		 * the maximum known LUN
>   		 */
>   		else if (chip->srb->device->id) {
> -			dev_err(&dev->pci->dev, "Bad target number (%d:%d)\n",
> +			dev_err(&dev->pci->dev, "Bad target number (%d:%llu)\n",
here exist some compile warning.
drivers/staging/rts5208/rtsx.c:468:5: warning: format ‘%llu’ expects 
argument of type ‘long long unsigned int’, but argument 4 has type 
‘unsigned int’ [-Wformat]

>   				chip->srb->device->id,
>   				chip->srb->device->lun);
>   			chip->srb->result = DID_BAD_TARGET << 16;
>   		}
>   
>   		else if (chip->srb->device->lun > chip->max_lun) {
> -			dev_err(&dev->pci->dev, "Bad LUN (%d:%d)\n",
> +			dev_err(&dev->pci->dev, "Bad LUN (%d:%llu)\n",
>   				chip->srb->device->id,
>   				chip->srb->device->lun);
>   			chip->srb->result = DID_BAD_TARGET << 16;

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