[PATCH] nvme-pci: add missing condition check for existence of mapped data

[Keith Busch]

On Wed, Jul 24, 2024 at 01:31:14PM +0300, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro at nvidia.com>
> 
> nvme_map_data() is called when request has physical segments, hence
> the nvme_unmap_data() should have same condition to avoid dereference.

Thanks, applied to nvme-6.11.