md: call __md_stop_writes in md_stop

md: call __md_stop_writes in md_stop

This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven.
This ID is fixed in Linux Kernel version v5.15.64 by commit 661c01b2181d9413c799127f13143583b69f20fd, it was introduced in version v4.12 by commit 48df498daf62e1292868005675331929305067f0. For more details please see the references link.