This is a note to let you know that I've just added the patch titled powerpc/pci_dn: Add missing of_node_put() to the 6.0-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: powerpc-pci_dn-add-missing-of_node_put.patch and it can be found in the queue-6.0 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 5e48e56bbde2328d4b011b3c2be445c7731556d7 Author: Liang He <windhl@xxxxxxx> Date: Fri Jul 1 21:17:50 2022 +0800 powerpc/pci_dn: Add missing of_node_put() [ Upstream commit 110a1fcb6c4d55144d8179983a475f17a1d6f832 ] In pci_add_device_node_info(), use of_node_put() to drop the reference to 'parent' returned by of_get_parent() to keep refcount balance. Fixes: cca87d303c85 ("powerpc/pci: Refactor pci_dn") Co-authored-by: Miaoqian Lin <linmq006@xxxxxxxxx> Signed-off-by: Liang He <windhl@xxxxxxx> Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Reviewed-by: Tyrel Datwyler <tyreld@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20220701131750.240170-1-windhl@xxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/arch/powerpc/kernel/pci_dn.c b/arch/powerpc/kernel/pci_dn.c index 7a35fc25a304..38561d6a2079 100644 --- a/arch/powerpc/kernel/pci_dn.c +++ b/arch/powerpc/kernel/pci_dn.c @@ -330,6 +330,7 @@ struct pci_dn *pci_add_device_node_info(struct pci_controller *hose, INIT_LIST_HEAD(&pdn->list); parent = of_get_parent(dn); pdn->parent = parent ? PCI_DN(parent) : NULL; + of_node_put(parent); if (pdn->parent) list_add_tail(&pdn->list, &pdn->parent->child_list);