linux-kernel - Re: [PATCH] usb: dwc3: Simplify memset struct array

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Message-ID: <2025041024-napping-renewed-1b41@gregkh>
Date: Thu, 10 Apr 2025 19:02:52 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Zijun Hu <zijun_hu@...oud.com>
Cc: Thinh Nguyen <Thinh.Nguyen@...opsys.com>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, Zijun Hu <quic_zijuhu@...cinc.com>
Subject: Re: [PATCH] usb: dwc3: Simplify memset struct array

On Thu, Apr 10, 2025 at 09:30:00PM +0800, Zijun Hu wrote:
> From: Zijun Hu <quic_zijuhu@...cinc.com>
> 
> For 'struct property_entry props[6]', Simplify its memset to
> 'memset(props, 0, sizeof(props))'.
> 
> Signed-off-by: Zijun Hu <quic_zijuhu@...cinc.com>
> ---
>  drivers/usb/dwc3/host.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
> index b48e108fc8fe7343446946e7babf9ba3bc0d2dc3..5a2fe4c6b0e433c32945c136b8b35e1912e3acc8 100644
> --- a/drivers/usb/dwc3/host.c
> +++ b/drivers/usb/dwc3/host.c
> @@ -158,7 +158,7 @@ int dwc3_host_init(struct dwc3 *dwc)
>  		goto err;
>  	}
>  
> -	memset(props, 0, sizeof(struct property_entry) * ARRAY_SIZE(props));
> +	memset(props, 0, sizeof(props));

What does this really help with?  It feels like churn to me.

thanks,

greg k-h