Add lockdep asserts for holding the dev->power.lock to non-static functions which require this. They could be used outside of the file so asserts may help in detecting locking misuse.
Signed-off-by: Krzysztof Kozlowski <[email protected]> --- drivers/base/power/qos.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c index a8fe4c1a8d07..e56d538d039e 100644 --- a/drivers/base/power/qos.c +++ b/drivers/base/power/qos.c @@ -64,6 +64,8 @@ enum pm_qos_flags_status __dev_pm_qos_flags(struct device *dev, s32 mask) struct pm_qos_flags *pqf; s32 val; + lockdep_assert_held(&dev->power.lock); + if (IS_ERR_OR_NULL(qos)) return PM_QOS_FLAGS_UNDEFINED; @@ -104,6 +106,8 @@ EXPORT_SYMBOL_GPL(dev_pm_qos_flags); */ s32 __dev_pm_qos_read_value(struct device *dev) { + lockdep_assert_held(&dev->power.lock); + return IS_ERR_OR_NULL(dev->power.qos) ? 0 : pm_qos_read_value(&dev->power.qos->resume_latency); } -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
