CVE-2025-38451 md/md-bitmap: fix GPF in bitmap_get_stats()

In the Linux kernel, the following vulnerability has been resolved: md/md-bitmap: fix GPF in bitmapgetstats The commit message of commit 6ec1f0239485 "md/md-bitmap: fix stats collection for external bitmaps" states: Remove the external bitmap check as the statistics should be available regardless...