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 E886327280A; Mon, 13 Apr 2026 16:18:37 +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=1776097118; cv=none; b=j/MM9MXSBfFG+o+O0aFMH/vRvOeLg087zxicTeq6mDrY+AJ6rGl772wffXqT5ldWsCZ+gyJZHJ/k1UiKz20lUXXjS0NiOA6JO5JlZIUPCKa/qT4ktp9IIeeAL3IZzz0XKHxh8SpST6Yw3gwufUMgdsndxz7yGzvsSrdJj5pb5Gc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776097118; c=relaxed/simple; bh=kj/mkqil0dlX9mROmSW1jO4BJ2D6+nyT5tG/XYdsJeo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=dkOntTOm07A6BKeot9kwWjzYxnnEVBRh00JpZYK3TlDEpxYMQ9SxX4hA96oh1ZdYpTtqBozO3zqd4wYjZDnK0K1dD5jUKNN7CU4EaE0eauW6+WfjovTtMeu4ZJ/59V9PzDGyGSazQYdqSg8wKF6We43uYkzomyXSDl3j4t/aDZk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=SiuvZlni; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="SiuvZlni" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4BD6BC2BCAF; Mon, 13 Apr 2026 16:18:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1776097117; bh=kj/mkqil0dlX9mROmSW1jO4BJ2D6+nyT5tG/XYdsJeo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SiuvZlnij9G3arkMiHjsxpAcHHiSg75Biw84iTxbsr5vZ0GSPnLzjYGoQeM8qFkcI qFZdk+zexMLZjQmQJYuRBdPX7xFjEaNYaHtMDTjPU4dzNvWON7MuT3acoi47Fl/2c6 O+tqI5bN3UhKjBw8+fBjtDyKimeOyF36Ji+VPn8Y= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yong Wu , Miaoqian Lin , Johan Hovold , Krzysztof Kozlowski , Sasha Levin Subject: [PATCH 5.15 013/570] memory: mtk-smi: fix device leak on larb probe Date: Mon, 13 Apr 2026 17:52:24 +0200 Message-ID: <20260413155830.910350968@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260413155830.386096114@linuxfoundation.org> References: <20260413155830.386096114@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Johan Hovold [ Upstream commit 9dae65913b32d05dbc8ff4b8a6bf04a0e49a8eb6 ] 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 Cc: Miaoqian Lin Signed-off-by: Johan Hovold Link: https://patch.msgid.link/20251121164624.13685-3-johan@kernel.org Signed-off-by: Krzysztof Kozlowski Signed-off-by: Sasha Levin --- 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 c317bcf49ebcd..ae01b396cb453 100644 --- a/drivers/memory/mtk-smi.c +++ b/drivers/memory/mtk-smi.c @@ -382,6 +382,7 @@ 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