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. Signed-off-by: Nicholas Mc Guire <hofrat@xxxxxxxxx> Fixes: commit ab597d35ef11 ("PCI: xilinx-nwl: Add support for Xilinx NWL PCIe Host Controller") --- Problem found by an experimental cocinelle script Patch was compile tested with: multi_v7_defconfig + ARCH_ZYNQ=y, COMPILE_TEST=y, PCIE_XILINX_NWL=y (one sparse warning though not related to the change proposed though) Patch is against 4.17.0 (localversion-next is next-20180613) drivers/pci/controller/pcie-xilinx-nwl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c index 6a4bbb5..fb32840 100644 --- a/drivers/pci/controller/pcie-xilinx-nwl.c +++ b/drivers/pci/controller/pcie-xilinx-nwl.c @@ -559,7 +559,7 @@ static int nwl_pcie_init_irq_domain(struct nwl_pcie *pcie) PCI_NUM_INTX, &legacy_domain_ops, pcie); - + of_node_put(legacy_intc_node); if (!pcie->legacy_irq_domain) { dev_err(dev, "failed to create IRQ domain\n"); return -ENOMEM; -- 2.1.4