Re: [PATCH -next] PCI: dra7xx: Add missing of_node_put() in dra7xx_pcie_init_irq_domain()

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Hi,

On Saturday 12 November 2016 03:08 AM, Bjorn Helgaas wrote:
> On Mon, Oct 17, 2016 at 02:54:37PM +0000, Wei Yongjun wrote:
>> From: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
>>
>> This node pointer is returned by of_get_next_child() with refcount
>> incremented in this function. of_node_put() on it before exitting
>> this function on error.
>>
>> This is detected by Coccinelle semantic patch.
>>
>> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
> 
> Kishon, this looks correct to me, so I applied it to pci/host-dra7xx for
> v4.10.  Let me know if you have any issue with it.
> 
>> ---
>>  drivers/pci/host/pci-dra7xx.c | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/pci/host/pci-dra7xx.c b/drivers/pci/host/pci-dra7xx.c
>> index 9595fad..79297e9 100644
>> --- a/drivers/pci/host/pci-dra7xx.c
>> +++ b/drivers/pci/host/pci-dra7xx.c
>> @@ -177,6 +177,7 @@ static int dra7xx_pcie_init_irq_domain(struct pcie_port *pp)
>>  					       &intx_domain_ops, pp);
>>  	if (!pp->irq_domain) {
>>  		dev_err(dev, "Failed to get a INTx IRQ domain\n");
>> +		of_node_put(pcie_intc_node);

I think of_node_put should be used for both the error case and non-error case.

Thanks
Kishon
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