PCI: xilinx: Add missing of_node_put()

[ Upstream commit 8c3f9bd851a4d3acf0a0f222d4e9e41c0cd1ea8e ]

The call to of_get_next_child() returns a node pointer with refcount
incremented thus it must be explicitly decremented here after the last
usage.

Fixes: 8961def56845 ("PCI: xilinx: Add Xilinx AXI PCIe Host Bridge IP driver")
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
[lorenzo.pieralisi@arm.com: reworked commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/pci/host/pcie-xilinx.c b/drivers/pci/host/pcie-xilinx.c
index 94e13cb8608f179ba8e25d30dfd9436517bd55db..29f024f0ed7f2c2e8c0ab134a9f7949f09e8a9f8 100644 (file)
--- a/drivers/pci/host/pcie-xilinx.c
+++ b/drivers/pci/host/pcie-xilinx.c
@@ -511,6 +511,7 @@ static int xilinx_pcie_init_irq_domain(struct xilinx_pcie_port *port)
        port->leg_domain = irq_domain_add_linear(pcie_intc_node, PCI_NUM_INTX,
                                                 &intx_domain_ops,
                                                 port);
+       of_node_put(pcie_intc_node);
        if (!port->leg_domain) {
                dev_err(dev, "Failed to get a INTx IRQ domain\n");
                return -ENODEV;