| commit | 3b9c10e98021e1f92e6f8c7ce1778b86ba68db10 | [log] [tgz] |
|---|---|---|
| author | Daniel Fu <danifu@nvidia.com> | Fri Aug 30 19:48:22 2013 +0800 |
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | Fri Aug 30 21:53:41 2013 +0200 |
| tree | e8c2963b4d5a2c8d90836fc069256c733be54232 | |
| parent | 9e19b73c30a5fa42a53583a1f7817dd857126156 [diff] |
cpuidle: Check the result of cpuidle_get_driver() against NULL If the current CPU has no cpuidle driver, drv will be NULL in cpuidle_driver_ref(). Check if that is the case before trying to bump up the driver's refcount to prevent the kernel from crashing. [rjw: Subject and changelog] Signed-off-by: Daniel Fu <danifu@nvidia.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>