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Message-ID: <44dcfbd9ba4fd655c05c0b3a4a6e26042d5c2639.camel@kernel.org>
Date: Thu, 07 Jan 2021 20:56:01 -0800
From: Saeed Mahameed <saeed@...nel.org>
To: Jakub Kicinski <kuba@...nel.org>
Cc: "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
Oz Shlomo <ozsh@...dia.com>,
Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
Roi Dayan <roid@...dia.com>, Paul Blakey <paulb@...dia.com>
Subject: Re: [net 04/11] net/mlx5e: CT: Use per flow counter when CT flow
accounting is enabled
On Thu, 2021-01-07 at 20:40 -0800, Jakub Kicinski wrote:
> On Thu, 07 Jan 2021 20:18:36 -0800 Saeed Mahameed wrote:
> > On Thu, 2021-01-07 at 20:06 -0800, Saeed Mahameed wrote:
> > > On Thu, 2021-01-07 at 19:07 -0800, Jakub Kicinski wrote:
> > > > On Thu, 7 Jan 2021 12:28:38 -0800 Saeed Mahameed wrote:
> > > > > + int ret;
> > > > > +
> > > > > + counter = kzalloc(sizeof(*counter), GFP_KERNEL);
> > > > > + if (!counter)
> > > > > + return ERR_PTR(-ENOMEM);
> > > > > +
> > > > > + counter->is_shared = false;
> > > > > + counter->counter = mlx5_fc_create(ct_priv->dev, true);
> > > > > + if (IS_ERR(counter->counter)) {
> > > > > + ct_dbg("Failed to create counter for ct
> > > > > entry");
> > > > > + ret = PTR_ERR(counter->counter);
> > > > > + kfree(counter);
> > > > > + return ERR_PTR(ret);
> > > >
> > > > The err ptr -> ret -> err ptr conversion seems entirely
> > > > pointless,
> > > > no?
> > > Indeed, will address this in a net-next patch
> > >
> >
> > Actually no, because counter is being kfreed so we must return
> > ERR_PTR(ret).
>
> Ah, good point, just the other one then:
>
> + shared_counter = mlx5_tc_ct_counter_create(ct_priv);
> + if (IS_ERR(shared_counter)) {
> + ret = PTR_ERR(shared_counter);
> return ERR_PTR(ret);
> }
Done, will send to net-next once this is back merged.
Thanks.
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