linux-kernel - Re: [PATCH] ACPI: EC: fix compilation warning

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Date:	Sat, 29 Nov 2008 22:36:04 +0300
From:	Alexey Starikovskiy <astarikovskiy@...e.de>
To:	Hannes Eder <hannes@...neseder.net>
CC:	Len Brown <len.brown@...el.com>, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] ACPI: EC: fix compilation warning

Hannes Eder wrote:
> Fix the warning introduced in commit c5279dee26c0e8d7c4200993bfc4b540d2469598,
> and give the dummy variable a more verbose name.
Thanks!
> 
>   drivers/acpi/ec.c: In function 'acpi_ec_ecdt_probe':
>   drivers/acpi/ec.c:1015: warning: ISO C90 forbids mixed declarations and code
> 
> Signed-off-by: Hannes Eder <hannes@...neseder.net>
Acked-by: Alexey Starikovskiy <astarikovskiy@...e.de>
> ---
>  drivers/acpi/ec.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
> index c16e09b..60db1b2 100644
> --- a/drivers/acpi/ec.c
> +++ b/drivers/acpi/ec.c
> @@ -980,6 +980,7 @@ int __init acpi_ec_ecdt_probe(void)
>  {
>  	acpi_status status;
>  	struct acpi_table_ecdt *ecdt_ptr;
> +	acpi_handle dummy;
>  
>  	boot_ec = make_acpi_ec();
>  	if (!boot_ec)
> @@ -1012,7 +1013,6 @@ int __init acpi_ec_ecdt_probe(void)
>  	}
>  	/* This workaround is needed only on some broken machines,
>  	 * which require early EC, but fail to provide ECDT */
> -	acpi_handle x;
>  	printk(KERN_DEBUG PREFIX "Look up EC in DSDT\n");
>  	status = acpi_get_devices(ec_device_ids[0].id, ec_parse_device,
>  					boot_ec, NULL);
> @@ -1023,7 +1023,7 @@ int __init acpi_ec_ecdt_probe(void)
>  	 * which needs it, has fake EC._INI method, so use it as flag.
>  	 * Keep boot_ec struct as it will be needed soon.
>  	 */
> -	if (ACPI_FAILURE(acpi_get_handle(boot_ec->handle, "_INI", &x)))
> +	if (ACPI_FAILURE(acpi_get_handle(boot_ec->handle, "_INI", &dummy)))
>  		return -ENODEV;
>  install:
>  	if (!ec_install_handlers(boot_ec)) {

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