On 2023/11/6 10:44, Mina Almasry wrote: > + > +void __netdev_devmem_binding_free(struct netdev_dmabuf_binding *binding) > +{ > + size_t size, avail; > + > + gen_pool_for_each_chunk(binding->chunk_pool, > + netdev_devmem_free_chunk_owner, NULL); > + > + size = gen_pool_size(binding->chunk_pool); > + avail = gen_pool_avail(binding->chunk_pool); > + > + if (!WARN(size != avail, "can't destroy genpool. size=%lu, avail=%lu", > + size, avail)) > + gen_pool_destroy(binding->chunk_pool); Is there any other place calling the gen_pool_destroy() when the above warning is triggered? Do we have a leaking for binding->chunk_pool? > + > + dma_buf_unmap_attachment(binding->attachment, binding->sgt, > + DMA_BIDIRECTIONAL); > + dma_buf_detach(binding->dmabuf, binding->attachment); > + dma_buf_put(binding->dmabuf); > + kfree(binding); > +} > +