Pull pstore updates from Kees Cook:
 "A small collection of bug fixes, refactorings, and general
  improvements:

   - Reporting improvements and return path fixes (Guilherme G. Piccoli,
     Wang Yufen, Kees Cook)

   - Clean up kmsg_bytes module parameter usage (Guilherme G. Piccoli)

   - Add Guilherme to pstore MAINTAINERS entry

   - Choose friendlier allocation flags (Qiujun Huang, Stephen Boyd)"

* tag 'pstore-v6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  pstore: Avoid kcore oops by vmap()ing with VM_IOREMAP
  pstore/ram: Fix error return code in ramoops_probe()
  pstore: Alert on backend write error
  MAINTAINERS: Update pstore maintainers
  pstore/ram: Set freed addresses to NULL
  pstore/ram: Move internal definitions out of kernel-wide include
  pstore/ram: Move pmsg init earlier
  pstore/ram: Consolidate kfree() paths
  efi: pstore: Follow convention for the efi-pstore backend name
  pstore: Inform unregistered backend names as well
  pstore: Expose kmsg_bytes as a module parameter
  pstore: Improve error reporting in case of backend overlap
  pstore/zone: Use GFP_ATOMIC to allocate zone buffer