linux-kernel - Re: [PATCH 2/2] usb: pci-quirks: Remove a useless initialization

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Message-ID: <ZBx/DeY4rwX+4zg8@kroah.com>
Date:   Thu, 23 Mar 2023 17:32:13 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     Mathias Nyman <mathias.nyman@...el.com>,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        linux-usb@...r.kernel.org
Subject: Re: [PATCH 2/2] usb: pci-quirks: Remove a useless initialization

On Tue, Mar 21, 2023 at 10:43:10PM +0100, Christophe JAILLET wrote:
> 'info' is memset()'ed a few lines below and is not use in the between.
> 
> There is no need to initialize one of its field to false here.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> ---
>  drivers/usb/host/pci-quirks.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
> index 6b741327d2c4..46f2412dcb40 100644
> --- a/drivers/usb/host/pci-quirks.c
> +++ b/drivers/usb/host/pci-quirks.c
> @@ -208,7 +208,6 @@ static void usb_amd_find_chipset_info(void)
>  {
>  	unsigned long flags;
>  	struct amd_chipset_info info;
> -	info.need_pll_quirk = false;

Why not just change the line above it to:
	struct amd_chipset_info info = { };
and drop the call to memset entirely?

thanks,

greg k-h