Subject: Re: [PATCH 1/1] net: sched: Deletion of an unnecessary check before the function call "kfree"

From: Daniel Borkmann <[email-masked]>
Date: Wed, 19 Nov 2014 18:00:14 +0100

On 11/19/2014 05:47 PM, John Fastabend wrote:
> On 11/18/2014 12:26 PM, SF Markus Elfring wrote:
>> From: Markus Elfring <[email-masked]>
...
>>       if (fp_old)
>>           bpf_prog_destroy(fp_old);
>> -    if (bpf_old)
>> -        kfree(bpf_old);
>> +    kfree(bpf_old);
>>
>>       return 0;
>>
>
> Maybe I need some coffee but I can't figure out what this
> patch is against...
>
> # grep bpf_old ./net/sched/cls_bpf.c
> #

Coffee is always good. :)

Yeah, you actually removed this in commit 1f947bf151e90ec ("net:
sched: rcu'ify cls_bpf"), so looks like Markus's tree is not
up to date ...