APPLIED: [Wily][PATCH 0/1] Drivers: hv: balloon: check if ha_region_mutex was acquired in MEM_CANCEL_ONLINE case

[Tim Gardner]

Just in case there is another 4.1 based upload for Wily, though its 
likely we'll switch to 4.2 in the next day or so.

-- 
Tim Gardner tim.gardner at canonical.com