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 EB48E3E04A4; Sat, 28 Feb 2026 17:41:11 +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=1772300472; cv=none; b=UEIML/JFAYQ2oieBIlV8uLPd/yNSSl3K3Ut6ai6SAS7At0/+F0izjo52IwObzXsApjGzRBWmpBhH6n0UoCFH8sRLX+pcTJrHMy1kIPZUTxdpDv1bZ/H63n7Ee2Sy1GUejCcvi2pfJtq0tYdhzbA4hIVeoKm0U+6Lpza+uIByNjw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300472; c=relaxed/simple; bh=7mEMJvo5X8owgK7L/9oWkHE42x320z0Z8ypcbUH9IrE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ajIx64PaIj4yNZiU57RXPrZDnhmpLQqGSSANdHeYuZ6lFv38ioS/5/rKdQGXnettsBNmtjYIkvwbqiEICO956GPIwYabZdc9XuBpGTMa9tcP3h7KQ2MNP9uheFaWMOQkJcbLsMTF0CAm0Xc7Gh8yZw3gVSBxtaO83ce/C3j+fao= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=fFUIlxjX; 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="fFUIlxjX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 14666C19424; Sat, 28 Feb 2026 17:41:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772300471; bh=7mEMJvo5X8owgK7L/9oWkHE42x320z0Z8ypcbUH9IrE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fFUIlxjXeeuL2WqN9SJpu6S7/E2uujNmjlHnWs0sBo3RJaUMsLEbNcsFk14hjBACr uW1irAmhIdm9d2J2hTI3g6Ygqb8WjO+0v29sUMMpNwLufu5WAh2VUm78D7+63X056P NdDIRPuii2C6tPFnx/iadA39y9vik8bYLOEgBT0Pg4O/ZNtbErRKkESeApDuptS1rK 5QzNuTuVG03eINhZZLIcTvk0X9mZ7488wfxcyOlKX7gm0lJpWspIXX24pgJKFY3kf+ LLs5AkgCjDBkmclKTwLAobY1ninQjs4XNuXn+c7JVv0VzXa8VIAHclLmGldewTXSsU UGF2zoOnVXTyA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Johan Hovold , Yong Wu , Miaoqian Lin , Krzysztof Kozlowski , Sasha Levin Subject: [PATCH 6.19 510/844] memory: mtk-smi: fix device leak on larb probe Date: Sat, 28 Feb 2026 12:27:03 -0500 Message-ID: <20260228173244.1509663-511-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228173244.1509663-1-sashal@kernel.org> References: <20260228173244.1509663-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit 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 dd6150d200e89..3609bfd3c64be 100644 --- a/drivers/memory/mtk-smi.c +++ b/drivers/memory/mtk-smi.c @@ -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) -- 2.51.0