linux-kernel - Re: [PATCH] staging: r8188eu: Remove null checking before freeing functions

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Message-ID: <ae8d0b5f-3371-f6ee-6744-cebfc1a0d010@gmail.com>
Date:   Sun, 26 Jun 2022 09:59:54 +0200
From:   Philipp Hortmann <philipp.g.hortmann@...il.com>
To:     SebinSebastian <mailmesebin00@...il.com>
Cc:     skhan@...uxfoundation.org,
        Larry Finger <Larry.Finger@...inger.net>,
        Phillip Potter <phil@...lpotter.co.uk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Martin Kaiser <martin@...ser.cx>,
        Michael Straube <straube.linux@...il.com>,
        Pavel Skripkin <paskripkin@...il.com>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: r8188eu: Remove null checking before freeing
 functions

On 6/26/22 09:44, SebinSebastian wrote:
> Fix the following coccicheck warning:
> drivers/staging/r8188eu/os_dep/usb_intf.c:376:2-7: WARNING: NULL check before some freeing functions is not needed.
> 
> Signed-off-by: Sebin Sebastian <mailmesebin00@...il.com>
> ---
>   drivers/staging/r8188eu/os_dep/usb_intf.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/r8188eu/os_dep/usb_intf.c b/drivers/staging/r8188eu/os_dep/usb_intf.c
> index 68869c5daeff..f5f1119b5444 100644
> --- a/drivers/staging/r8188eu/os_dep/usb_intf.c
> +++ b/drivers/staging/r8188eu/os_dep/usb_intf.c
> @@ -372,8 +372,8 @@ static struct adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
>   free_adapter:
>   	if (pnetdev)
>   		rtw_free_netdev(pnetdev);
> -	else if (padapter)
> -		vfree(padapter);
> +	
> +	vfree(padapter);
>   
>   	return NULL;
>   }

Sorry to let you know that this patch was already send in:

Please read the following patches:

https://lore.kernel.org/linux-staging/CAD-N9QUpBHgtu8kssuf-22n94RnLDshioDaJTcFWNipvAuh08g@mail.gmail.com/T/#t

https://lore.kernel.org/linux-staging/20220614133239.147076-1-dzm91@hust.edu.cn/T/#u

Thanks for your support.

Bye Philipp