On Fri, Jun 2, 2017 at 5:58 PM, Colin King <colin.k...@canonical.com> wrote: > The current comparison of entry < 0 will never be true since entry is an > unsigned integer. Cast entry to an int to ensure -ve error return values > from the call to jumbo_frm are correctly being caught.
> if (unlikely(is_jumbo) && likely(priv->synopsys_id < > DWMAC_CORE_4_00)) { > entry = priv->hw->mode->jumbo_frm(tx_q, skb, csum_insertion); > - if (unlikely(entry < 0)) > + if (unlikely((int)entry < 0)) It feels like a hiding some other issue. -- With Best Regards, Andy Shevchenko