Re: [PATCH] driver: r8188eu: remove NULL check before vfree

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On Tue, Jun 14, 2022 at 05:03:30PM +0800, Dongliang Mu wrote:
> From: mudongliang <mudongliangabcd@xxxxxxxxx>
> 
> vfree can handle NULL pointer as its argument.
> According to coccinelle isnullfree check, remove NULL check
> before vfree operation.
> 
> Signed-off-by: mudongliang <mudongliangabcd@xxxxxxxxx>
> ---
>  drivers/staging/r8188eu/os_dep/usb_intf.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/r8188eu/os_dep/usb_intf.c b/drivers/staging/r8188eu/os_dep/usb_intf.c
> index 68869c5daeff..bd1c8b4b5c4b 100644
> --- a/drivers/staging/r8188eu/os_dep/usb_intf.c
> +++ b/drivers/staging/r8188eu/os_dep/usb_intf.c
> @@ -372,8 +372,7 @@ 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);

You changed the logic of this code here, please be more careful in the
future.

Also, you need to use your real name for the signed-off-by and From:
line.

thanks,

greg k-h




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