[PATCH] nvme: clear the prp2 field of the nvme command.

[hch at lst.de]

On Tue, Nov 29, 2022 at 12:50:57PM +0800, Rao, Lei wrote:
> stricter checks, and if prp2 is not used but has a value, some warnings will be
> printed. According to the NVMe spec, it seems to write a reserved field produces
> an undefined result, so maybe clearing it is better.

NVMe is a little weird about reserved fields settable by the host.
I don't think your controllers warnings are correct, but given that
the cost of clearing is very low I think we should clear it in Linux.
Please resend a patch with the clearing in the right place as suggested
in my previous mail.