Re: [PATCH] libbpf:fix use empty function pointers in ringbuf_poll

[Stanislav Fomichev]

On 06/05, Xin Liu wrote:
> From: zhangmingyi <zhangmingyi5@xxxxxxxxxx>
> 
> The sample_cb of the ring_buffer__new interface can transfer NULL. However,
> the system does not check whether sample_cb is NULL during 
> ring_buffer__poll, null pointer is used.

What is the point of calling ring_buffer__new with sample_cb == NULL?