Re: [PATCH v8 1/8] sk_run_filter: add support for custom load_pointer

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On Thu, Feb 16, 2012 at 7:54 PM, Joe Perches <joe@xxxxxxxxxxx> wrote:
> On Thu, 2012-02-16 at 14:02 -0600, Will Drewry wrote:
>> This change allows CONFIG_SECCOMP to make use of BPF programs for
>> user-controlled system call filtering (as shown in this patch series).
> []
>> diff --git a/net/core/filter.c b/net/core/filter.c
> []
>> @@ -542,9 +602,35 @@ int sk_chk_filter(struct sock_filter *filter, unsigned int flen)
> []
>>               case BPF_S_LD_W_ABS:
>> +                     MAYBE_USE_LOAD_FN(LD_W_ABS);
>>               case BPF_S_LD_H_ABS:
>> +                     MAYBE_USE_LOAD_FN(LD_H_ABS);
>>               case BPF_S_LD_B_ABS:
>> +                     MAYBE_USE_LOAD_FN(LD_B_ABS);
>
> Would be nice to note fallthrough or add break if necessary.

Cool - I'll note it.  They are meant to fall through, but I can just
go back to using goto handle_skb_load or some such so it is more
readable.

Thanks!
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