netdev - Re: [PATCH net-next v5 1/1] net sched actions: Add support for user cookies

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Date:   Sun, 22 Jan 2017 20:32:08 +0100
From:   Jiri Pirko <jiri@...nulli.us>
To:     Jamal Hadi Salim <jhs@...atatu.com>
Cc:     Florian Fainelli <f.fainelli@...il.com>, davem@...emloft.net,
        netdev@...r.kernel.org, jiri@...lanox.com, paulb@...lanox.com,
        john.fastabend@...il.com, simon.horman@...ronome.com,
        mrv@...atatu.com, hadarh@...lanox.com, ogerlitz@...lanox.com,
        roid@...lanox.com, xiyou.wangcong@...il.com, daniel@...earbox.net
Subject: Re: [PATCH net-next v5 1/1] net sched actions: Add support for user
 cookies

Sun, Jan 22, 2017 at 07:57:17PM CET, jhs@...atatu.com wrote:
>On 17-01-22 01:13 PM, Florian Fainelli wrote:
>> 
>> 
>
>> 
>> > +		a->act_cookie->data = nla_memdup(tb[TCA_ACT_COOKIE],
>> > +						 GFP_KERNEL);
>> > +		if (!a->act_cookie->data) {
>> > +			err = -ENOMEM;
>> > +			tcf_hash_release(a, bind);
>> > +			goto err_mod;
>> > +		}
>> 
>> Are not you leaking a->act_cookie here in case nla_memdup() fails here?
>> 
>
>yes, I am. Thanks for catching this. V6 coming up.

Btw, you don't have to send cover letter for a single patch. In fact, you
should not.