static int qcom_hwspinlock_trylock()

in qcom_hwspinlock.c [22:37]

• 13 lines of code
• 3 McCabe index (conditional complexity)

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

	ret = regmap_field_write(field, QCOM_MUTEX_APPS_PROC_ID);
	if (ret)
		return ret;

	ret = regmap_field_read(field, &lock_owner);
	if (ret)
		return ret;

	return lock_owner == QCOM_MUTEX_APPS_PROC_ID;
}