FAILED: Patch "memory: mtk-smi: fix device leak on larb probe" failed to apply to 6.12-stable tree

FAILED: Patch "memory: mtk-smi: fix device leak on larb probe" failed to apply to 6.12-stable tree

[Sasha Levin]

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>.

Thanks,
Sasha

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

From 9dae65913b32d05dbc8ff4b8a6bf04a0e49a8eb6 Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan@kernel.org>
Date: Fri, 21 Nov 2025 17:46:23 +0100
Subject: [PATCH] memory: mtk-smi: fix device leak on larb probe

Make sure to drop the reference taken when looking up the SMI device
during larb probe on late probe failure (e.g. probe deferral) and on
driver unbind.

Fixes: cc8bbe1a8312 ("memory: mediatek: Add SMI driver")
Fixes: 038ae37c510f ("memory: mtk-smi: add missing put_device() call in mtk_smi_device_link_common")
Cc: stable@vger.kernel.org	# 4.6: 038ae37c510f
Cc: stable@vger.kernel.org	# 4.6
Cc: Yong Wu <yong.wu@mediatek.com>
Cc: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20251121164624.13685-3-johan@kernel.org
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/memory/mtk-smi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c
index dd6150d200e89..3609bfd3c64be 100644
--- a/drivers/memory/mtk-smi.c
+++ b/drivers/memory/mtk-smi.c
@@ -685,6 +685,7 @@ static void mtk_smi_larb_remove(struct platform_device *pdev)
 	device_link_remove(&pdev->dev, larb->smi_common_dev);
 	pm_runtime_disable(&pdev->dev);
 	component_del(&pdev->dev, &mtk_smi_larb_component_ops);
+	put_device(larb->smi_common_dev);
 }
 
 static int __maybe_unused mtk_smi_larb_resume(struct device *dev)
-- 
2.51.0