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memory: mtk-smi: fix device leak on larb probe

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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: cc8bbe1a83 ("memory: mediatek: Add SMI driver")
Fixes: 038ae37c51 ("memory: mtk-smi: add missing put_device() call in mtk_smi_device_link_common")
Cc: stable@vger.kernel.org	# 4.6: 038ae37c51
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>
This commit is contained in:
Johan Hovold
2025-11-21 17:46:23 +01:00
committed by Krzysztof Kozlowski
parent 6cfa038bdd
commit 9dae65913b
1 changed files with 1 additions and 0 deletions
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drivers/memory/mtk-smi.c
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@@ -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)