static void qcom_hwspinlock_unlock()

in qcom_hwspinlock.c [39:59]

• 18 lines of code
• 4 McCabe index (conditional complexity)

static void qcom_hwspinlock_unlock(struct hwspinlock *lock)
{
	struct regmap_field *field = lock->priv;
	u32 lock_owner;
	int ret;

	ret = regmap_field_read(field, &lock_owner);
	if (ret) {
		pr_err("%s: unable to query spinlock owner\n", __func__);
		return;
	}

	if (lock_owner != QCOM_MUTEX_APPS_PROC_ID) {
		pr_err("%s: spinlock not owned by us (actual owner is %d)\n",
				__func__, lock_owner);
	}

	ret = regmap_field_write(field, 0);
	if (ret)
		pr_err("%s: failed to unlock spinlock\n", __func__);
}