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| author | Viresh Kumar <viresh.kumar@linaro.org> | 2017-04-25 15:57:08 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-07-27 15:06:02 -0700 |
| commit | 2c1ac3721d4ab99b317ea8f9a17a6194c60b39e9 (patch) | |
| tree | 58ade23cd6552dc6e01e005526455aafda3c8e00 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | f440ec864fd872891895ed5fd379ff842ef76587 (diff) | |
thermal: cpu_cooling: Avoid accessing potentially freed structures
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 kernel to crash.
Drop the lock after we are done using the structure.
Fixes: 02373d7c69b4 ("thermal: cpu_cooling: fix lockdep problems in cpu_cooling")
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Tested-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions