From: Len Brown <len.brown@xxxxxxxxx>
BUG_ON() cpuidle_unregister_driver() being called with
a driver not matching the onee that successfully registered.
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
---
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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