netdev - Re: [PATCH v4 01/11] libnvdimm: Replace namespace_match() with device_find_child_by

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Message-ID: <20241223202339.00004dc1@huawei.com>
Date: Mon, 23 Dec 2024 20:23:39 +0000
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: Zijun Hu <zijun_hu@...oud.com>
CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Linus Walleij
	<linus.walleij@...aro.org>, Bartosz Golaszewski <brgl@...ev.pl>, Uwe
 Kleine-König <ukleinek@...nel.org>, James Bottomley
	<James.Bottomley@...senPartnership.com>, Thomas Weißschuh <thomas@...ch.de>, <linux-kernel@...r.kernel.org>,
	<nvdimm@...ts.linux.dev>, <linux-sound@...r.kernel.org>,
	<sparclinux@...r.kernel.org>, <linux-block@...r.kernel.org>,
	<linux-cxl@...r.kernel.org>, <linux1394-devel@...ts.sourceforge.net>,
	<arm-scmi@...r.kernel.org>, <linux-efi@...r.kernel.org>,
	<linux-gpio@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
	<linux-mediatek@...ts.infradead.org>, <linux-hwmon@...r.kernel.org>,
	<linux-media@...r.kernel.org>, <linux-pwm@...r.kernel.org>,
	<linux-remoteproc@...r.kernel.org>, <linux-scsi@...r.kernel.org>,
	<linux-usb@...r.kernel.org>, <linux-serial@...r.kernel.org>,
	<netdev@...r.kernel.org>, Zijun Hu <quic_zijuhu@...cinc.com>, "Alison
 Schofield" <alison.schofield@...el.com>
Subject: Re: [PATCH v4 01/11] libnvdimm: Replace namespace_match() with
 device_find_child_by_name()

On Wed, 11 Dec 2024 08:08:03 +0800
Zijun Hu <zijun_hu@...oud.com> wrote:

> From: Zijun Hu <quic_zijuhu@...cinc.com>
> 
> Simplify nd_namespace_store() implementation by
> using device_find_child_by_name().
> 
> Reviewed-by: Alison Schofield <alison.schofield@...el.com>
> Signed-off-by: Zijun Hu <quic_zijuhu@...cinc.com>
LGTM
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>

> ---
>  drivers/nvdimm/claim.c | 9 +--------
>  1 file changed, 1 insertion(+), 8 deletions(-)
> 
> diff --git a/drivers/nvdimm/claim.c b/drivers/nvdimm/claim.c
> index 030dbde6b0882050c90fb8db106ec15b1baef7ca..9e84ab411564f9d5e7ceb687c6491562564552e3 100644
> --- a/drivers/nvdimm/claim.c
> +++ b/drivers/nvdimm/claim.c
> @@ -67,13 +67,6 @@ bool nd_attach_ndns(struct device *dev, struct nd_namespace_common *attach,
>  	return claimed;
>  }
>  
> -static int namespace_match(struct device *dev, void *data)
> -{
> -	char *name = data;
> -
> -	return strcmp(name, dev_name(dev)) == 0;
> -}
> -
>  static bool is_idle(struct device *dev, struct nd_namespace_common *ndns)
>  {
>  	struct nd_region *nd_region = to_nd_region(dev->parent);
> @@ -168,7 +161,7 @@ ssize_t nd_namespace_store(struct device *dev,
>  		goto out;
>  	}
>  
> -	found = device_find_child(dev->parent, name, namespace_match);
> +	found = device_find_child_by_name(dev->parent, name);
>  	if (!found) {
>  		dev_dbg(dev, "'%s' not found under %s\n", name,
>  				dev_name(dev->parent));
>