Re: [PATCH] can: kvaser_usb: Don't free packets when tight on URBs

Ahmed S. Darwish
2015-01-03T16:35:17Z

On Thu, Jan 01, 2015 at 01:59:13PM -0800, Stephen Hemminger wrote:
> On Tue, 23 Dec 2014 17:46:54 +0200
> "Ahmed S. Darwish" <darwish.07@gmail.com> wrote:
>
> > int ret = NETDEV_TX_OK;
> > + bool kfree_skb_on_error = true;
> >
> > if (can_dropped_invalid_skb(netdev, skb))
> > return NETDEV_TX_OK;
> > @@ -1336,6 +1337,7 @@ static netdev_tx_t kvaser_usb_start_xmit(struct sk_buff *skb,
> >
> > if (!context) {
> > netdev_warn(netdev, "cannot find free context\n");
> > + kfree_skb_on_error = false;
> > ret = NETDEV_TX_BUSY;
>
> You already have a flag value (ret == NETDEV_TX_BUSY), why
> not use that instead of introducing another variable?

Yes, that variable got implicitly removed in v2 patch 1/4.

Thanks,

--
Darwish