The patch below does not apply to the 6.12-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.12.y git checkout FETCH_HEAD git cherry-pick -x 76254bc489d39dae9a3427f0984fe64213d20548 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to 'stable@vger.kernel.org' --in-reply-to '2025101657-coaster-squall-0e3f@gregkh' --subject-prefix 'PATCH 6.12.y' HEAD^..

Possible dependencies:

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 76254bc489d39dae9a3427f0984fe64213d20548 Mon Sep 17 00:00:00 2001 From: Miaoqian Lin linmq006@gmail.com Date: Tue, 2 Sep 2025 16:49:33 +0800 Subject: [PATCH] cdx: Fix device node reference leak in cdx_msi_domain_init

Add missing of_node_put() call to release the device node reference obtained via of_parse_phandle().

Fixes: 0e439ba38e61 ("cdx: add MSI support for CDX bus") Cc: stable@vger.kernel.org Signed-off-by: Miaoqian Lin linmq006@gmail.com Acked-by: Nipun Gupta nipun.gupta@amd.com Link: https://lore.kernel.org/r/20250902084933.2418264-1-linmq006@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org

diff --git a/drivers/cdx/cdx_msi.c b/drivers/cdx/cdx_msi.c index 3388a5d1462c..91b95422b263 100644 --- a/drivers/cdx/cdx_msi.c +++ b/drivers/cdx/cdx_msi.c @@ -174,6 +174,7 @@ struct irq_domain *cdx_msi_domain_init(struct device *dev) }

parent = irq_find_matching_fwnode(of_fwnode_handle(parent_node), DOMAIN_BUS_NEXUS); + of_node_put(parent_node); if (!parent || !msi_get_domain_info(parent)) { dev_err(dev, "unable to locate ITS domain\n"); return NULL;