Re: [PATCH bpf-next v3 5/6] bpf: Add an iterator selftest for bpf_sk_storage_get

[Florent Revest <revest@xxxxxxxxxxxx>]

On Thu, 2020-11-26 at 23:00 -0800, Yonghong Song wrote:
> On 11/26/20 8:44 AM, Florent Revest wrote:
> > +SEC("iter/task_file")
> > +int fill_socket_owner(struct bpf_iter__task_file *ctx)
> > +{
> > +	struct task_struct *task = ctx->task;
> > +	struct file *file = ctx->file;
> > +	struct socket *sock;
> > +	int *sock_tgid;
> > +
> > +	if (!task || !file || task->tgid != task->pid)
> 
> task->tgid != task->pid is not needed here.
> The task_file iterator already tries to skip task with task->pid
> if its file table is the same as task->tgid.

Good to know!