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 16F1524679F for ; Sun, 1 Mar 2026 01:17:59 +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=1772327879; cv=none; b=maibMPvECbB7kdMiVDzELZfqkJJkShsDEsDuzj9X6LFEweGHYIGFJI2CwQvt+7ntJfHpG8iI9z6FJIRgJu/Dd17iqC7sBpKQjVSsH6/OZxrIPfiH8hRe64vkRIxsAQnoLHebfztzgbNEZFgjUd0+ZeWOoVmqeb1nheSysSsy4W0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772327879; c=relaxed/simple; bh=kWgMT48C4ORLUtZwxrSADwgXn0DpuHYFbe4vBadeueY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=M1gelKYWXkE2Uoz9ENGHz6AKjT2WVmxCVa+7geVpjC51+NqYP8gagHdp5M/mUmDZzJw5IZQNGjjYn51A1Kj1WdhCOujlfH+AY4WAjSO309zbWya4umaXva9F0G5vbl1gbE9/IkBmOIw5RCCkl1HoDcUlfXgMVpg7A7vUQJIVYEk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AqrldhRi; 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="AqrldhRi" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A73BEC19421; Sun, 1 Mar 2026 01:17:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772327879; bh=kWgMT48C4ORLUtZwxrSADwgXn0DpuHYFbe4vBadeueY=; h=From:To:Cc:Subject:Date:From; b=AqrldhRirgj72xPeV8qSjxpICo5WN4crfhA6/BzE3tJ74ymjaCKN3yQ16Gq7XF71o dIiFVNIuCwh9A3uk6nMxC96yMuJvW5AqsHDp7GJ3zhXD1m2IGLKTa0v65vD9S+xPsJ OQ7970KjTGAoBEoMkTQE8FukKNEEqitZcnOYXXL+YcRL07EHYw6lm+BxlqaHLOUs32 gwFNGW651zFU3dI4lgB2YWGdkxaP6SrMyXS2V+U79muEG7NIpAcBQrW7XzyERhW4bA 2Gy2Bax0DmONbrdITHJkDS2iqALR7tdgGWhjgXpEqVVocWqIViTNF3D9kLcgl0s4KL Ku4xC+C/hVPUQ== 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 6.12-stable tree Date: Sat, 28 Feb 2026 20:17:56 -0500 Message-ID: <20260301011756.1672013-1-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 6.12-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 . 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