[PATCH 0/4] Drivers: hv: utils: prevent crash when a utility driver is disabled host side

I'm observing a crash when a utility driver is disabled host side (e.g. 'Guest services' is disabled live) when we have userspace daemon connected: [ 90.244859] general protection fault: [#1] SMP ... [ 90.800082] CPU: 3 PID: 473 Comm: hypervfcopyd Not tainted 4.3.0-rc7_netvsc_noalloc+

[PATCH 0/4] Drivers: hv: utils: prevent crash when a utility driver is disabled host side

I'm observing a crash when a utility driver is disabled host side (e.g. 'Guest services' is disabled live) when we have userspace daemon connected: [ 90.244859] general protection fault: [#1] SMP ... [ 90.800082] CPU: 3 PID: 473 Comm: hypervfcopyd Not tainted 4.3.0-rc7_netvsc_noalloc+