Messages in this thread Patch in this message | | | Date | Thu, 27 May 2010 01:11:03 -0400 (EDT) | From | Len Brown <> | Subject | [PATCH-v2 2/8] cpuidle: add cpuidle_unregister_driver() error check |
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From: Len Brown <len.brown@intel.com>
BUG_ON() cpuidle_unregister_driver() being called with a driver not matching the onee that successfully registered.
Signed-off-by: Len Brown <len.brown@intel.com> --- drivers/cpuidle/driver.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c index 2257004..5b6fd0f 100644 --- a/drivers/cpuidle/driver.c +++ b/drivers/cpuidle/driver.c @@ -45,8 +45,7 @@ EXPORT_SYMBOL_GPL(cpuidle_register_driver); */ void cpuidle_unregister_driver(struct cpuidle_driver *drv) { - if (!drv) - return; + BUG_ON(drv != cpuidle_curr_driver) spin_lock(&cpuidle_driver_lock); cpuidle_curr_driver = NULL; -- 1.6.0.6
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