nvme: Fix PRP list pointer arithmetic for chained transfers

The PRP setup code advances prp_pool using u64 pointer
arithmetic:

        prp_pool += page_size;

This increments the pointer by page_size * sizeof(u64)
bytes instead of page_size bytes, resulting in invalid
PRP list addresses when multiple PRP list pages are
required.

The issue becomes visible for large transfers, typically
above 2 MiB when MDTS > 9.

Fix it by using byte-wise pointer arithmetic when
advancing to the next PRP list page.

Signed-off-by: Prashant Kamble <[email protected]>
Reviewed-by: Neil Armstrong <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Neil Armstrong <[email protected]>

0 files changed, 0 insertions, 0 deletions