Re: [PATCH 2/3] media: dvb-usb: move kfree(d) to dvb_usb_device_exit

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On Mon, Jun 21, 2021 at 01:07:27PM +0800, Dongliang Mu wrote:
> As d is allocated in dvb_usb_device_init, so move to the deallocation of
> d from dvb_usb_exit to dvb_usb_device_exit

There is nothing wrong with this patch, however I'm not sure what this
improves though. The code is just as good/messy as before, is it not?

Sean

> 
> Signed-off-by: Dongliang Mu <mudongliangabcd@xxxxxxxxx>
> ---
>  drivers/media/usb/dvb-usb/dvb-usb-init.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/media/usb/dvb-usb/dvb-usb-init.c b/drivers/media/usb/dvb-usb/dvb-usb-init.c
> index edc477cedaa9..21ad51be4820 100644
> --- a/drivers/media/usb/dvb-usb/dvb-usb-init.c
> +++ b/drivers/media/usb/dvb-usb/dvb-usb-init.c
> @@ -147,7 +147,6 @@ static int dvb_usb_exit(struct dvb_usb_device *d)
>  		d->props.priv_destroy(d);
>  
>  	kfree(d->priv);
> -	kfree(d);
>  	return 0;
>  }
>  
> @@ -333,9 +332,10 @@ void dvb_usb_device_exit(struct usb_interface *intf)
>  	char name[40];
>  
>  	usb_set_intfdata(intf, NULL);
> -	if (d != NULL && d->desc != NULL) {
> +	if (d && d->desc) {
>  		strscpy(name, d->desc->name, sizeof(name));
>  		dvb_usb_exit(d);
> +		kfree(d);
>  	} else {
>  		strscpy(name, default_name, sizeof(name));
>  	}
> -- 
> 2.25.1



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