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 286EC40242B; Thu, 12 Mar 2026 20:14:06 +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=1773346446; cv=none; b=Ael0XIlZrGmlcl/PdlmkFiv+h+n6/d+L05tLaOJA8oz1hUcPL+XWLqnXZfzEap2TcNKCpat9bhk825vA/PZuw5PScDW1+vupkFKcpc5WQsM2B5k3UOs9rXYcar1jdZJYon279NJswfPBGNt9XLmODDzujl+bLY9suD8vG8aNEvM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773346446; c=relaxed/simple; bh=1gAFAwsmn++xyHJVkPvyJK3eLO4a/TUdYauFWjl/snM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=TM14kGnI+mKLJxmUOx/s+vbSLZfeU50RDZ4fXVgT2zvR5d6j5KmEZIWqTW6JbxHYx3cCRdcwdLi/iwumBukIaZz2u/zN+Bb2YOuYWSx865QMopPhdRdu8iwlh8kDTSi+r2iqmWfzfWWU2jPNtC+vYLK2JkBPR1DLlPjbScUAo0E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Ftc+Y/Xx; 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="Ftc+Y/Xx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 721C3C4CEF7; Thu, 12 Mar 2026 20:14:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1773346446; bh=1gAFAwsmn++xyHJVkPvyJK3eLO4a/TUdYauFWjl/snM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ftc+Y/XxDqBDoCX8bIx9ooCMp3UvegoXyLOqC2x0B8xaesEmSQuzm48TKWCGfxRJU xG4Q1kI8TX4wZQZtoXZzmLCgfRMcfvMpZsjDbJbkENaPO8VDvmG9iiCTFFdvppkmBP pevzqRwk0/4V6xGKLpY2BocSifP0NVHJ68NZKCQc= 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 6.12 043/265] memory: mtk-smi: fix device leak on larb probe Date: Thu, 12 Mar 2026 21:07:10 +0100 Message-ID: <20260312201019.755308931@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260312201018.128816016@linuxfoundation.org> References: <20260312201018.128816016@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 6.12-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 1bce32bed9a1f..2d7f7cc5bfa9c 100644 --- a/drivers/memory/mtk-smi.c +++ b/drivers/memory/mtk-smi.c @@ -575,6 +575,7 @@ 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