Re: [net-next, v2, 3/7] net: dsa: free skb->cb usage in core driver

[Richard Cochran <richardcochran@xxxxxxxxx>]

On Mon, Apr 26, 2021 at 09:39:44PM +0300, Vladimir Oltean wrote:
> On Mon, Apr 26, 2021 at 06:38:46AM -0700, Richard Cochran wrote:
> > On Mon, Apr 26, 2021 at 05:37:58PM +0800, Yangbo Lu wrote:
> > > @@ -624,7 +623,7 @@ static netdev_tx_t dsa_slave_xmit(struct sk_buff *skb, struct net_device *dev)
> > >  
> > >  	dev_sw_netstats_tx_add(dev, 1, skb->len);
> > >  
> > > -	DSA_SKB_CB(skb)->clone = NULL;
> > > +	memset(skb->cb, 0, 48);
> > 
> > Replace hard coded 48 with sizeof() please.
> 
> You mean just a trivial change like this, right?
> 
> 	memset(skb->cb, 0, sizeof(skb->cb));

Yes.

Thanks,
Richard