The patch below does not apply to the 5.15-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-5.15.y git checkout FETCH_HEAD git cherry-pick -x 70458f8a6b44daf3ad39f0d9b6d1097c8a7780ed # <resolve conflicts, build, test, etc.> git commit -s git send-email --to 'stable@vger.kernel.org' --in-reply-to '2025081557-glimmer-distill-dc47@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^..
Possible dependencies:
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 70458f8a6b44daf3ad39f0d9b6d1097c8a7780ed Mon Sep 17 00:00:00 2001 From: Johan Hovold johan@kernel.org Date: Fri, 25 Jul 2025 19:12:10 +0200 Subject: [PATCH] net: enetc: fix device and OF node leak at probe
Make sure to drop the references to the IERB OF node and platform device taken by of_parse_phandle() and of_find_device_by_node() during probe.
Fixes: e7d48e5fbf30 ("net: enetc: add a mini driver for the Integrated Endpoint Register Block") Cc: stable@vger.kernel.org # 5.13 Cc: Vladimir Oltean vladimir.oltean@nxp.com Signed-off-by: Johan Hovold johan@kernel.org Reviewed-by: Simon Horman horms@kernel.org Link: https://patch.msgid.link/20250725171213.880-3-johan@kernel.org Signed-off-by: Jakub Kicinski kuba@kernel.org
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf.c b/drivers/net/ethernet/freescale/enetc/enetc_pf.c index f63a29e2e031..de0fb272c847 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.c @@ -829,19 +829,29 @@ static int enetc_pf_register_with_ierb(struct pci_dev *pdev) { struct platform_device *ierb_pdev; struct device_node *ierb_node; + int ret;
ierb_node = of_find_compatible_node(NULL, NULL, "fsl,ls1028a-enetc-ierb"); - if (!ierb_node || !of_device_is_available(ierb_node)) + if (!ierb_node) return -ENODEV;
+ if (!of_device_is_available(ierb_node)) { + of_node_put(ierb_node); + return -ENODEV; + } + ierb_pdev = of_find_device_by_node(ierb_node); of_node_put(ierb_node);
if (!ierb_pdev) return -EPROBE_DEFER;
- return enetc_ierb_register_pf(ierb_pdev, pdev); + ret = enetc_ierb_register_pf(ierb_pdev, pdev); + + put_device(&ierb_pdev->dev); + + return ret; }
static const struct enetc_si_ops enetc_psi_ops = {