On 23-05-18, 10:40, Russell King - ARM Linux wrote:

On Wed, May 23, 2018 at 12:05:24PM +0300, Ilia Lin wrote:

quoted

+	np = dev_pm_opp_of_get_opp_desc_node(cpu_dev);
+	if (IS_ERR(np))
+		return PTR_ERR(np);

...

quoted

+
+	pdev = platform_device_register_simple("cpufreq-dt", -1, NULL, 0);
+	if (!IS_ERR(pdev))

Do you need to hold a reference to `np' here?

I am starting to feel bad for Ilia now. The problem is that there was
a lot of stuff wrong with the patch and even with so many reviewers it
wasn't easy to notice all the problems it had.

But you are right, this reference needs to be dropped.

-- 
viresh