Re: [PATCH] nvme-pci: After the memory is released, the corresponding pointer needs to point to empty

[Christoph Hellwig]

On Tue, Oct 22, 2024 at 03:01:50AM +0800, Liu Jing wrote:
> The code frees memory pointed to by dev->queues. After freeing memory,
> dev->queues should be set to NULL to avoid dangling Pointers.

How claims that?  Clearing pointers clearly defeats redzoning in the
slab allocator so actually is counterproductive.