CVE-2024-50284: Improper Check for Unusual or Exceptional Conditions

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: Fix the missing xa_store error check

xa_store() can fail, it return xa_err(-EINVAL) if the entry cannot be stored in an XArray, or xa_err(-ENOMEM) if memory allocation failed, so check error for xa_store() to fix it.