FAILED: patch "[PATCH] pmdomain: imx: Fix reference count leak in imx_gpc_remove" failed to apply to 5.15-stable tree

FAILED: patch "[PATCH] pmdomain: imx: Fix reference count leak in imx_gpc_remove" failed to apply to 5.15-stable tree

[gregkh]

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 bbde14682eba21d86f5f3d6fe2d371b1f97f1e61
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2025112010-chop-refurbish-3f6e@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^..

Possible dependencies:



thanks,

greg k-h

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

From bbde14682eba21d86f5f3d6fe2d371b1f97f1e61 Mon Sep 17 00:00:00 2001
From: Miaoqian Lin <linmq006@gmail.com>
Date: Tue, 28 Oct 2025 11:16:20 +0800
Subject: [PATCH] pmdomain: imx: Fix reference count leak in imx_gpc_remove

of_get_child_by_name() returns a node pointer with refcount incremented, we
should use of_node_put() on it when not needed anymore. Add the missing
of_node_put() to avoid refcount leak.

Fixes: 721cabf6c660 ("soc: imx: move PGC handling to a new GPC driver")
Cc: stable@vger.kernel.org
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/pmdomain/imx/gpc.c b/drivers/pmdomain/imx/gpc.c
index 33991f3c6b55..a34b260274f7 100644
--- a/drivers/pmdomain/imx/gpc.c
+++ b/drivers/pmdomain/imx/gpc.c
@@ -536,6 +536,8 @@ static void imx_gpc_remove(struct platform_device *pdev)
 			return;
 		}
 	}
+
+	of_node_put(pgc_node);
 }
 
 static struct platform_driver imx_gpc_driver = {

[PATCH 5.15.y] pmdomain: imx: Fix reference count leak in imx_gpc_remove

[Sasha Levin]

From: Miaoqian Lin <linmq006@gmail.com>

[ Upstream commit bbde14682eba21d86f5f3d6fe2d371b1f97f1e61 ]

of_get_child_by_name() returns a node pointer with refcount incremented, we
should use of_node_put() on it when not needed anymore. Add the missing
of_node_put() to avoid refcount leak.

Fixes: 721cabf6c660 ("soc: imx: move PGC handling to a new GPC driver")
Cc: stable@vger.kernel.org
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
[ drivers/pmdomain/imx/gpc.c -> drivers/soc/imx/gpc.c ]
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/soc/imx/gpc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/soc/imx/gpc.c b/drivers/soc/imx/gpc.c
index 90a8b2c0676ff..8d0d05041be3f 100644
--- a/drivers/soc/imx/gpc.c
+++ b/drivers/soc/imx/gpc.c
@@ -540,6 +540,8 @@ static int imx_gpc_remove(struct platform_device *pdev)
 			return ret;
 	}
 
+	of_node_put(pgc_node);
+
 	return 0;
 }
 
-- 
2.51.0