Description: Bluetooth: use correct lock to prevent UAF of hdev object References: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git/commit/?id=e305509e678b3a4af2b3cfd410f409f7cdaabb52 https://www.openwall.com/lists/oss-security/2021/06/08/2 Notes: Bugs: upstream: released (5.13-rc5) [e305509e678b3a4af2b3cfd410f409f7cdaabb52] 5.10-upstream-stable: released (5.10.43) [74caf718cc7422a957aac381c73d798c0a999a65] 4.19-upstream-stable: released (4.19.194) [2b9e9c2ed0f1910b5201c5d37b355b60201df415] 4.9-upstream-stable: released (4.9.272) [3c62132da179fd30531958d51c68ba4915996556] sid: released (5.10.46-1) 4.19-buster-security: released (4.19.194-1) 4.9-stretch-security: released (4.9.272-1)