CVE-2024-43820 dm-raid: Fix WARN_ON_ONCE check for sync_thread in raid_resume

In the Linux kernel, the following vulnerability has been resolved: dm-raid: Fix WARNONONCE check for syncthread in raidresume rm-raid devices will occasionally trigger the following warning when being resumed after a table load because DMRECOVERYRUNNING is set: WARNING: CPU: 7 PID: 5660 at...