[PATCH v10 4/5] arm64: ptdump: Don't override the level when operating on the stage-2 tables

[Will Deacon]

On Mon, Sep 09, 2024 at 12:47:20PM +0000, Sebastian Ene wrote:
> Ptdump uses the init_mm structure directly to dump the kernel
> pagetables. When ptdump is called on the stage-2 pagetables, this mm
> argument is not used. Prevent the level from being overwritten by
> checking the argument against NULL.
> 
> Signed-off-by: Sebastian Ene <sebastianene at google.com>
> ---
>  arch/arm64/mm/ptdump.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Acked-by: Will Deacon <will at kernel.org>

Will