On Wed, Jun 13, 2018 at 07:20:44PM +0200, Nicholas Mc Guire wrote:
> 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 8961def56845 ("PCI: xilinx: Add Xilinx AXI PCIe Host Bridge IP driver")
> ---
>
> Problem found by an experimental cocinelle script
>
> Patch was compile tested with: multi_v7_defconfig + ARCH_ZYNQ=y,
> COMPILE_TEST=y, PCIE_XILINX=y
> (with one sparse warning though not related to the change proposed)
>
> Patch is against 4.17.0 (localversion-next is next-20180613)
>
> drivers/pci/controller/pcie-xilinx.c | 1 +
> 1 file changed, 1 insertion(+)
Applied to pci/controller-fixes to be tentatively merged for
-rc4, thanks.
Lorenzo
> diff --git a/drivers/pci/controller/pcie-xilinx.c b/drivers/pci/controller/pcie-xilinx.c
> index b110a3a..7b1389d 100644
> --- a/drivers/pci/controller/pcie-xilinx.c
> +++ b/drivers/pci/controller/pcie-xilinx.c
> @@ -509,6 +509,7 @@ 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;
> --
> 2.1.4
>
