From: David Marchand <david.marchand@redhat.com>
To: "Wang, Haiyue" <haiyue.wang@intel.com>
Cc: dev <dev@dpdk.org>, "Zhang, Qi Z" <qi.z.zhang@intel.com>,
dpdk stable <stable@dpdk.org>,
"Yang, Qiming" <qiming.yang@intel.com>,
Xiaolong Ye <xiaolong.ye@intel.com>,
"Xing, Beilei" <beilei.xing@intel.com>,
"Wang, Ying A" <ying.a.wang@intel.com>
Subject: Re: [dpdk-stable] [PATCH v1] net/ice: fix memzone leak when device init failed
Date: Wed, 18 Aug 2021 09:07:57 +0200 [thread overview]
Message-ID: <CAJFAV8yXPJ-hO-=rBjLhgF05=xag6Gkm+qD+sUh_kfy_59S3xw@mail.gmail.com> (raw)
In-Reply-To: <BN8PR11MB37958D06F7EA7F47BBF63C61F7FF9@BN8PR11MB3795.namprd11.prod.outlook.com>
On Wed, Aug 18, 2021 at 2:46 AM Wang, Haiyue <haiyue.wang@intel.com> wrote:
>
> > -----Original Message-----
> > From: David Marchand <david.marchand@redhat.com>
> > Sent: Tuesday, August 17, 2021 17:19
> > To: Wang, Haiyue <haiyue.wang@intel.com>
> > Cc: dev <dev@dpdk.org>; Zhang, Qi Z <qi.z.zhang@intel.com>; dpdk stable <stable@dpdk.org>; Yang,
> > Qiming <qiming.yang@intel.com>; Xiaolong Ye <xiaolong.ye@intel.com>; Xing, Beilei
> > <beilei.xing@intel.com>; Wang, Ying A <ying.a.wang@intel.com>
> > Subject: Re: [PATCH v1] net/ice: fix memzone leak when device init failed
> >
> > On Fri, Aug 13, 2021 at 8:45 AM Haiyue Wang <haiyue.wang@intel.com> wrote:
> > >
> > > When flow engine initialization or FXP resource reset failed, it needs
> > > to free the memory zone and unregister the interrupt callback.
> > >
> > > Bugzilla ID: 752
> > > Fixes: 84dc7a95a2d3 ("net/ice: enable flow director engine")
> > > Fixes: 7615a6895009 ("net/ice: rework for generic flow enabling")
> > > Fixes: 7edc7158d771 ("net/ice: cleanup RSS/FDIR profile on device init")
> > > Cc: stable@dpdk.org
> > >
> > > Reported-by: David Marchand <david.marchand@redhat.com>
> > > Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
> > > ---
> > > drivers/net/ice/ice_ethdev.c | 10 ++++++++--
> > > drivers/net/ice/ice_fdir_filter.c | 2 ++
> > > 2 files changed, 10 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
> > > index 64ee569525..8d62b84805 100644
> > > --- a/drivers/net/ice/ice_ethdev.c
> > > +++ b/drivers/net/ice/ice_ethdev.c
> > > @@ -2139,20 +2139,26 @@ ice_dev_init(struct rte_eth_dev *dev)
> > > ret = ice_flow_init(ad);
> > > if (ret) {
> > > PMD_INIT_LOG(ERR, "Failed to initialize flow");
> > > - return ret;
> > > + goto err_flow_init;
> >
> > Is it safe to call flow engine uninit callbacks when ice_flow_init() fails?
>
> If each engine->init/uninit handles its internal setting correctly, yes,
> it's safe, if not, this single engine has BUG, let's fix it. ;-)
That was my understanding, but I preferred to ask.
Then, patch lgtm, thanks Haiyue.
--
David Marchand
next prev parent reply other threads:[~2021-08-18 7:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-13 6:21 Haiyue Wang
2021-08-17 9:19 ` David Marchand
2021-08-18 0:46 ` Wang, Haiyue
2021-08-18 7:07 ` David Marchand [this message]
2021-08-29 11:01 ` Zhang, Qi Z
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