From: Denis Kirjanov <dkirjanov@suse.de>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Arnd Bergmann <arnd@kernel.org>,
Jamal Hadi Salim <jhs@mojatatu.com>,
Cong Wang <xiyou.wangcong@gmail.com>,
Jiri Pirko <jiri@resnulli.us>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
"Ahmed S. Darwish" <a.darwish@linutronix.de>,
Arnd Bergmann <arnd@arndb.de>,
Zheng Yongjun <zhengyongjun3@huawei.com>,
Eric Dumazet <edumazet@google.com>,
Randy Dunlap <rdunlap@infradead.org>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH net-next v3] net: sched: gred: dynamically allocate tc_gred_qopt_offload
Date: Tue, 26 Oct 2021 14:16:16 +0300 [thread overview]
Message-ID: <d3a32766-550c-11a1-4364-98f876e7ce12@suse.de> (raw)
In-Reply-To: <20211026105104.vhfxrwisqcbvsxiq@linutronix.de>
10/26/21 1:51 PM, Sebastian Andrzej Siewior пишет:
> On 2021-10-26 13:42:24 [+0300], Denis Kirjanov wrote:
>>> diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
>>> index 72de08ef8335e..1073c76d05c45 100644
>>> --- a/net/sched/sch_gred.c
>>> +++ b/net/sched/sch_gred.c
>>> @@ -311,42 +312,43 @@ static void gred_offload(struct Qdisc *sch, enum tc_gred_command command)
>>> {
>>> struct gred_sched *table = qdisc_priv(sch);
>>> struct net_device *dev = qdisc_dev(sch);
>>> - struct tc_gred_qopt_offload opt = {
>>> - .command = command,
>>> - .handle = sch->handle,
>>> - .parent = sch->parent,
>>> - };
>>> + struct tc_gred_qopt_offload *opt = table->opt;
>>> if (!tc_can_offload(dev) || !dev->netdev_ops->ndo_setup_tc)
>>> return;
>>> + memset(opt, 0, sizeof(*opt));
>>
>> It's zeroed in kzalloc()
>
> but it is not limited to a single invocation?
I meant that all fields are set in the function as it was with the stack
storage.
>
> Sebastian
>
next prev parent reply other threads:[~2021-10-26 11:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-26 10:07 [PATCH net-next v3] net: sched: gred: dynamically allocate tc_gred_qopt_offload Sebastian Andrzej Siewior
2021-10-26 10:42 ` Denis Kirjanov
2021-10-26 10:51 ` Sebastian Andrzej Siewior
2021-10-26 11:16 ` Denis Kirjanov [this message]
2021-10-26 11:43 ` Sebastian Andrzej Siewior
2021-10-27 19:20 ` patchwork-bot+netdevbpf
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