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SubjectRe: [SIL2review] [PATCH] media: tc358743: release device_node in tc358743_probe_of()
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On 26.05.2018 17:38, Nicholas Mc Guire wrote:
> On Sat, May 26, 2018 at 12:54:00AM +0300, Alexey Khoroshilov wrote:
>> of_graph_get_next_endpoint() returns device_node with refcnt increased,
>> but these is no of_node_put() for it.
>
> I think this is correct - but would it not be simpler to do
>
> endpoint = v4l2_fwnode_endpoint_alloc_parse(of_fwnode_handle(ep));
> of_node_put(ep);
> if (IS_ERR(endpoint)) {
> ....
>
> As the of_node_put(np) actually is unconditional anyway I think this
> should be semantically equivalent.

You are right. But the same is true for
v4l2_fwnode_endpoint_free(endpoint);
that is already correctly handled by the driver.
So, I have preferred to follow the same pattern.


>
>>
>> The patch adds one on error and normal paths.
>>
>> Found by Linux Driver Verification project (linuxtesting.org).
>>
>> Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
> Reviewed-by: Nicholas Mc Guire <der.herr@hofr.at>


Thank you,
Alexey

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