On 14/08/2020 14:07, John Garry wrote:
BTW, as for the DMA/sg scatterlist code, it so happens in this case that we try the dma alloc for size=0 in nvme_alloc_queue() - I know an allocation for size=0 makes no sense, but couldn't we bit a bit more robust?
it's giving ZERO_SIZE_PTR, which we deference, so ignore me...