Re: [PATCH 2/2[ Traffic control cgroups subsystem

From: Li Zefan
Date: Thu Jul 24 2008 - 23:31:33 EST


Daniel Walker wrote:
> On Thu, 2008-07-24 at 16:37 -0700, Ranjit Manomohan wrote:
>
>
>> +/* Delete one filter entry */
>> +static int cgroup_delete(struct tcf_proto *tp, unsigned long arg)
>> +{
>> + struct cgroup_head *head = (struct cgroup_head *) tp->root;
>> + struct cgroup_filter *t, *f = (struct cgroup_filter *) arg;
>> +
>> + list_for_each_entry(t, &head->flist, link)
>> + if (t == f) {
>> + tcf_tree_lock(tp);
>> + list_del(&t->link);
>
> Doesn't the above need to be a "_safe" list operation since your
> deleting the element?
>

No. You don't need "_safe" if you break out the loop immediately
after list_del().

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