linux-kernel - Re: [PATCH v6 01/14] ACPI: ARM64: IORT: minor cleanup for iort_match_node

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Date:   Tue, 3 Jan 2017 14:08:39 +0000
From:   Lorenzo Pieralisi <lorenzo.pieralisi@....com>
To:     Hanjun Guo <hanjun.guo@...aro.org>
Cc:     Marc Zyngier <marc.zyngier@....com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        linux-acpi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linuxarm@...wei.com,
        Thomas Gleixner <tglx@...utronix.de>,
        Greg KH <gregkh@...uxfoundation.org>,
        Tomasz Nowicki <tn@...ihalf.com>, Ma Jun <majun258@...wei.com>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        Agustin Vega-Frias <agustinv@...eaurora.org>,
        Sinan Kaya <okaya@...eaurora.org>,
        charles.garcia-tobin@....com, huxinwei@...wei.com,
        yimin@...wei.com, Jon Masters <jcm@...hat.com>
Subject: Re: [PATCH v6 01/14] ACPI: ARM64: IORT: minor cleanup for
 iort_match_node_callback()

On Mon, Jan 02, 2017 at 09:31:32PM +0800, Hanjun Guo wrote:
> Cleanup iort_match_node_callback() a little bit to reduce
> some lines of code, aslo fix the indentation in iort_scan_node().

s/aslo/also

"Also" in a commit log is a sign a patch should be split and that's what
you should do even though I know it is tempting to merge all trivial
changes into one single patch.

Make it two patches please.

Thanks,
Lorenzo

> Signed-off-by: Hanjun Guo <hanjun.guo@...aro.org>
> Tested-by: Majun <majun258@...wei.com>
> Tested-by: Xinwei Kong <kong.kongxinwei@...ilicon.com>
> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
> Cc: Marc Zyngier <marc.zyngier@....com>
> Cc: Tomasz Nowicki <tn@...ihalf.com>
> ---
>  drivers/acpi/arm64/iort.c | 10 +++-------
>  1 file changed, 3 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
> index e0d2e6e..46e2d82 100644
> --- a/drivers/acpi/arm64/iort.c
> +++ b/drivers/acpi/arm64/iort.c
> @@ -225,7 +225,7 @@ static struct acpi_iort_node *iort_scan_node(enum acpi_iort_node_type type,
>  
>  		if (iort_node->type == type &&
>  		    ACPI_SUCCESS(callback(iort_node, context)))
> -				return iort_node;
> +			return iort_node;
>  
>  		iort_node = ACPI_ADD_PTR(struct acpi_iort_node, iort_node,
>  					 iort_node->length);
> @@ -253,17 +253,15 @@ static acpi_status iort_match_node_callback(struct acpi_iort_node *node,
>  					    void *context)
>  {
>  	struct device *dev = context;
> -	acpi_status status;
> +	acpi_status status = AE_NOT_FOUND;
>  
>  	if (node->type == ACPI_IORT_NODE_NAMED_COMPONENT) {
>  		struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER, NULL };
>  		struct acpi_device *adev = to_acpi_device_node(dev->fwnode);
>  		struct acpi_iort_named_component *ncomp;
>  
> -		if (!adev) {
> -			status = AE_NOT_FOUND;
> +		if (!adev)
>  			goto out;
> -		}
>  
>  		status = acpi_get_name(adev->handle, ACPI_FULL_PATHNAME, &buf);
>  		if (ACPI_FAILURE(status)) {
> @@ -289,8 +287,6 @@ static acpi_status iort_match_node_callback(struct acpi_iort_node *node,
>  		 */
>  		status = pci_rc->pci_segment_number == pci_domain_nr(bus) ?
>  							AE_OK : AE_NOT_FOUND;
> -	} else {
> -		status = AE_NOT_FOUND;
>  	}
>  out:
>  	return status;
> -- 
> 1.9.1
>