We need to mark the output polling as disabled to prevent concurrent
irqs from queuing new work as shutdown the probe -- causing that work to
execute after we have freed the structs:
<4> [341.846490] DEBUG_LOCKS_WARN_ON(mutex_is_locked(lock))
<4> [341.846497] WARNING: CPU: 3 PID: 3300 at kernel/lo
We need to mark the output polling as disabled to prevent concurrent
irqs from queuing new work as shutdown the probe -- causing that work to
execute after we have freed the structs:
<4> [341.846490] DEBUG_LOCKS_WARN_ON(mutex_is_locked(lock))
<4> [341.846497] WARNING: CPU: 3 PID: 3300 at kernel/lo
