Re: [PATCH] stmmac ethernet: remove cut & paste code

From: Joe Perches
Date: Thu Nov 24 2016 - 17:27:47 EST


On Thu, 2016-11-24 at 22:44 +0100, Pavel Machek wrote:
> On Thu 2016-11-24 12:05:25, Joe Perches wrote:
> > On Thu, 2016-11-24 at 12:05 +0100, Pavel Machek wrote:
> > > Remove duplicate code from _tx routines.
> >
> > trivia:
> >
> > > diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> >
> > []
> > > @@ -1960,6 +1960,38 @@ static void stmmac_tso_allocator(struct stmmac_priv *priv, unsigned int des,
> > > }
> > > }
> > >
> > > +static void stmmac_xmit_common(struct sk_buff *skb, struct net_device *dev, int nfrags, struct dma_desc *desc)
> > > +{
> > > + struct stmmac_priv *priv = netdev_priv(dev);
> > > +
> > > + if (unlikely(stmmac_tx_avail(priv) <= (MAX_SKB_FRAGS + 1))) {
> > > + if (netif_msg_hw(priv))
> > > + pr_debug("%s: stop transmitted packets\n", __func__);
> >
> > netif_dbg(priv, hw, dev, "%s: stop transmitted packets\n",
> > __func__);
>
> Not now. Modifying the code while de-duplicating would be bad idea.

Too many people think overly granular patches are the
best and only way to make changes.

Deduplication and consolidation can happen simultaneously.

> (And it looks like the driver has rather more serious problems than
> printk style...)

Probably so.

cheers, Joe