[PATCH 4.4 04/83] thermal: cpu_cooling: Avoid accessing potentially freed structures

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Viresh Kumar commit 289d72afddf83440117c35d864bf0c6309c1d011 upstream. After the lock is dropped, it is possible that the cpufreq_dev gets freed before we call

[PATCH 4.4 04/83] thermal: cpu_cooling: Avoid accessing potentially freed structures

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Viresh Kumar commit 289d72afddf83440117c35d864bf0c6309c1d011 upstream. After the lock is dropped, it is possible that the cpufreq_dev gets freed before we call get_level() and that can cause