Commit c10b90d8 authored by Li Fei's avatar Li Fei Committed by Ohad Ben-Cohen

hwspinlock: fix __hwspin_lock_request error path

Even in failed case of pm_runtime_get_sync, the usage_count
is incremented. In order to keep the usage_count with correct
value and runtime power management to behave correctly, call
pm_runtime_put_noidle in such case.

In __hwspin_lock_request, module_put is also called before
return in pm_runtime_get_sync failed case.

Cc: stable@vger.kernel.org
Signed-off-by Liu Chuansheng <chuansheng.liu@intel.com>
Signed-off-by: 's avatarLi Fei <fei.li@intel.com>
[edit commit log]
Signed-off-by: 's avatarOhad Ben-Cohen <ohad@wizery.com>
parent f6161aa1
......@@ -416,6 +416,8 @@ static int __hwspin_lock_request(struct hwspinlock *hwlock)
ret = pm_runtime_get_sync(dev);
if (ret < 0) {
dev_err(dev, "%s: can't power on device\n", __func__);
pm_runtime_put_noidle(dev);
module_put(dev->driver->owner);
return ret;
}
......
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