From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 789F71DF755 for ; Sun, 1 Mar 2026 01:15:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772327718; cv=none; b=bSZPPczEiykWUHSif1jYiujGLUNi1RiQ2sL88OsmDWq+3YJVlbSmp8yB/v8I55NRtfppgOwS2tbDkhdBN7xPXoMQoVQNTq3ZmivEO3tLccTTC6u7RsM2YZNPg2nUkQ//xzp/0F2jFagtaGCVr79Hpv6WkEkyrKV+RneMh1myB10= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772327718; c=relaxed/simple; bh=0KT0uYt9nO24XwAB0yD/495s2n1S7+JBd7/h+QDK2RE=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=lQvEEOkaGAV8sSuDryzHlBoP+Ft1gIR+eYQRozUzVGCnv7z2paDYz5nmlCSJ3AxyG0rhy/bPC8z0RxT49s9tZ/QIvmlnQtCTpzViz4EYWBs/ch+FE71qTF/2G4XvyIoCAAwBTgVERxfHUfIB/xKr949kTVwkGCPyeuRndKQscco= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kI31p+25; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="kI31p+25" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 65D6FC19421; Sun, 1 Mar 2026 01:15:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772327718; bh=0KT0uYt9nO24XwAB0yD/495s2n1S7+JBd7/h+QDK2RE=; h=From:To:Cc:Subject:Date:From; b=kI31p+25uQOz/ONLZFNdf0z/TVNUVfSDK/Q9hOpO/YK6HVBN6eJ8WjByuR6Zzjioj coNfSxCmTgZ07MB3R8ME60RhNpAH6+qcutZzngIJqsqfQfgcz+SLWB878IGGGSQkIK ql/EY7cdORIV3cB2LveFbI9Tb/SLD8SCxOCd+427a8pCSYQwocAWEDnGpF+Swo3ChY vSIt3MPGRnW41fIJyKa4yfOWT+hVi5jrh81Gd309eaxcoComXrOUMc8Er1nHztJqn3 1lDNDfFw2b+r8emtSZvYBTUL4mt4fUmBT4KRi0kIQDQ0LUPVXdABDfvD/sBRy0CHRz cjTa72wmxOy4g== From: Sasha Levin To: stable@vger.kernel.org, johan@kernel.org Cc: Yong Wu , Miaoqian Lin , Krzysztof Kozlowski , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org Subject: FAILED: Patch "memory: mtk-smi: fix device leaks on common probe" failed to apply to 6.18-stable tree Date: Sat, 28 Feb 2026 20:15:15 -0500 Message-ID: <20260301011516.1668360-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Hint: ignore X-stable: review Content-Transfer-Encoding: 8bit The patch below does not apply to the 6.18-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 . Thanks, Sasha ------------------ original commit in Linus's tree ------------------ >From 6cfa038bddd710f544076ea2ef7792fc82fbedd6 Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Fri, 21 Nov 2025 17:46:22 +0100 Subject: [PATCH] memory: mtk-smi: fix device leaks on common probe Make sure to drop the reference taken when looking up the SMI device during common probe on late probe failure (e.g. probe deferral) and on driver unbind. Fixes: 47404757702e ("memory: mtk-smi: Add device link for smi-sub-common") Fixes: 038ae37c510f ("memory: mtk-smi: add missing put_device() call in mtk_smi_device_link_common") Cc: stable@vger.kernel.org # 5.16: 038ae37c510f Cc: stable@vger.kernel.org # 5.16 Cc: Yong Wu Cc: Miaoqian Lin Signed-off-by: Johan Hovold Link: https://patch.msgid.link/20251121164624.13685-2-johan@kernel.org Signed-off-by: Krzysztof Kozlowski --- drivers/memory/mtk-smi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c index 733e22f695ab7..dd6150d200e89 100644 --- a/drivers/memory/mtk-smi.c +++ b/drivers/memory/mtk-smi.c @@ -674,6 +674,7 @@ static int mtk_smi_larb_probe(struct platform_device *pdev) err_pm_disable: pm_runtime_disable(dev); device_link_remove(dev, larb->smi_common_dev); + put_device(larb->smi_common_dev); return ret; } @@ -917,6 +918,7 @@ static void mtk_smi_common_remove(struct platform_device *pdev) if (common->plat->type == MTK_SMI_GEN2_SUB_COMM) device_link_remove(&pdev->dev, common->smi_common_dev); pm_runtime_disable(&pdev->dev); + put_device(common->smi_common_dev); } static int __maybe_unused mtk_smi_common_resume(struct device *dev) -- 2.51.0