Re: [PATCH] x86/p2m: fix p2m_add_foreign error path

[Andrew Cooper]

On 04/01/2021 09:03, Roger Pau Monne wrote:
> One of the error paths in p2m_add_foreign could call put_page with a
> NULL page, thus triggering a fault.
>
> Split the checks into two different if statements, so the appropriate
> error path can be taken.
>
> Fixes: 173ae325026bd ('x86/p2m: tidy p2m_add_foreign() a little')
> Signed-off-by: Roger Pau Monné <roger....@citrix.com>

Acked and committed.

~Andrew