Description: KVM: Stop looking for coalesced MMIO zones if the bus is destroyed
References:
Notes:
 carnil> Introduced in f65886606c2d ("KVM: fix memory leak in
 carnil> kvm_io_bus_unregister_dev()"). Vulnerable versions: 4.4.238 4.9.238 4.14.200
 carnil> 4.19.148 5.4.66 5.8.10 5.9-rc5.
Bugs:
upstream: released (5.13-rc1) [5d3c4c79384af06e3c8e25b7770b6247496b4417]
6.7-upstream-stable: N/A "Fixed before branching point"
6.6-upstream-stable: N/A "Fixed before branching point"
6.1-upstream-stable: N/A "Fixed before branching point"
5.10-upstream-stable: released (5.10.37) [2a20592baff59c5351c5200ec667e1a2aa22af85]
4.19-upstream-stable: needed
sid: released (5.10.38-1)
6.1-bookworm-security: N/A "Fixed before branching point"
5.10-bullseye-security: N/A "Fixed before branching point"
4.19-buster-security: needed