[PATCH] drm/amdgpu: check return value of xa_store()

[Markus Elfring]

> xa_store() may fail so check its return value and if error occurred free
> numa_info and return NULL.

* I find such a change description improvable another bit.

* How do you think about to add any tags (like “Fixes” and “Cc”) accordingly?
  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.16-rc7#n145


Regards,
Markus