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| author | Aaron Plattner <aplattner@nvidia.com> | 2014-06-18 20:27:32 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-06-18 21:52:20 +0200 |
| commit | fefa8ff810c5ab4c4206aed9d159c4d6fe8d4f1c (patch) | |
| tree | 6118b6695bc29d4bad0a0cdb36ee295903574711 /drivers/cpufreq/intel_pstate.c | |
| parent | intel_pstate: Correct rounding in busy calculation (diff) | |
| download | linux-fefa8ff810c5ab4c4206aed9d159c4d6fe8d4f1c.tar.xz linux-fefa8ff810c5ab4c4206aed9d159c4d6fe8d4f1c.zip | |
cpufreq: unlock when failing cpufreq_update_policy()
Commit bd0fa9bb455d introduced a failure path to cpufreq_update_policy() if
cpufreq_driver->get(cpu) returns NULL. However, it jumps to the 'no_policy'
label, which exits without unlocking any of the locks the function acquired
earlier. This causes later calls into cpufreq to hang.
Fix this by creating a new 'unlock' label and jumping to that instead.
Fixes: bd0fa9bb455d ("cpufreq: Return error if ->get() failed in cpufreq_update_policy()")
Link: https://devtalk.nvidia.com/default/topic/751903/kernel-3-15-and-nv-drivers-337-340-failed-to-initialize-the-nvidia-kernel-module-gtx-550-ti-/
Signed-off-by: Aaron Plattner <aplattner@nvidia.com>
Cc: 3.15+ <stable@vger.kernel.org> # 3.15+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq/intel_pstate.c')
0 files changed, 0 insertions, 0 deletions