[RESEND Patch 2/4] gpu: drm: omapdrm: dss-of: add missing of_node_put after calling of_parse_phandle

[Peter Chen]

>On 15/07/16 06:17, Peter Chen wrote:
>> of_node_put needs to be called when the device node which is got from
>> of_parse_phandle has finished using.
>>
>> Cc: Tomi Valkeinen <tomi.valkeinen at ti.com>
>> Signed-off-by: Peter Chen <peter.chen at nxp.com>
>> ---
>>  drivers/gpu/drm/omapdrm/dss/dss-of.c | 7 ++++---
>>  1 file changed, 4 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/omapdrm/dss/dss-of.c
>> b/drivers/gpu/drm/omapdrm/dss/dss-of.c
>> index dfd4e96..e256d87 100644
>> --- a/drivers/gpu/drm/omapdrm/dss/dss-of.c
>> +++ b/drivers/gpu/drm/omapdrm/dss/dss-of.c
>> @@ -125,15 +125,16 @@ u32 dss_of_port_get_port_number(struct
>> device_node *port)
>>
>>  static struct device_node *omapdss_of_get_remote_port(const struct
>> device_node *node)  {
>> -	struct device_node *np;
>> +	struct device_node *np, *np_parent;
>>
>>  	np = of_parse_phandle(node, "remote-endpoint", 0);
>>  	if (!np)
>>  		return NULL;
>>
>> -	np = of_get_next_parent(np);
>> +	np_parent = of_get_next_parent(np);
>> +	of_node_put(np);
>>
>> -	return np;
>> +	return np_parent;
>>  }
>
>The doc for of_get_next_parent() says:
>
>"This is like of_get_parent() except that it drops the refcount on the passed node,
>making it suitable for iterating".
>

It is my careless, thanks for pointing it.

Peter