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 57F4B34D4D9; Tue, 6 Jan 2026 17:20:57 +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=1767720057; cv=none; b=CHDi8x9r5iSMhBNl1v9pAaNSVAqkvpHWC63qW7DJTw6p+LYR4IPmXkp8Jkkuc0PafmHiiFQMCkoLd3BcqOuMOhYwJ7vUPFOQzZtS1BcD93G5VUI2yopT0Qk0X0mdTVHC4a7/gLg3C7KQzZ1wqyVanABCR5ManTjaPG3nDCmvUXE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767720057; c=relaxed/simple; bh=eaLHbgAg97ElF244De1PLdKLsKUhJI1uaOp5MiWqlx4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GZ7R9vpCRydlYyeLc7XnS9A2nnHSf2soFI3yi2ykgGe4v9WBmxdZw76mx4K5a5OeNnGamKaw4HAkOcq24kYiP93MZf6lgV/NYDtg1fhxAvzD2bJEFHatAwZGzQzqy5byoZe8CqPKhATu22ZZ15FGxOE4yUB/qOKkNSzfCPpDGQc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=C0wMTlmc; 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="C0wMTlmc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C157FC116C6; Tue, 6 Jan 2026 17:20:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1767720057; bh=eaLHbgAg97ElF244De1PLdKLsKUhJI1uaOp5MiWqlx4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=C0wMTlmcBXeCUaRWqchWNfnt1ZebtSuzLzwtjuN1PJOA+Xdy6MS14Y6XepKs7XovV 2ZC8HRyKIEM1+3WLzf3Bx7xrQN7R2Rppzkf/dLgU6MsyycEbgO9rA8GL/gRU6qbRFR C+76jRvOUSvhnCM5jecYjkT3d3MFtHA7ViKBYca8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Peter Wang , Chun-Hung Wu , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 6.12 121/567] scsi: ufs: host: mediatek: Fix shutdown/suspend race condition Date: Tue, 6 Jan 2026 17:58:23 +0100 Message-ID: <20260106170455.804834820@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260106170451.332875001@linuxfoundation.org> References: <20260106170451.332875001@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: Peter Wang [ Upstream commit 014de20bb36ba03e0e0b0a7e0a1406ab900c9fda ] Address a race condition between shutdown and suspend operations in the UFS Mediatek driver. Before entering suspend, check if a shutdown is in progress to prevent conflicts and ensure system stability. Signed-off-by: Peter Wang Acked-by: Chun-Hung Wu Link: https://patch.msgid.link/20250924094527.2992256-6-peter.wang@mediatek.com Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/ufs/host/ufs-mediatek.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c index 00ecfe14c1fd..1fb98af4ac56 100644 --- a/drivers/ufs/host/ufs-mediatek.c +++ b/drivers/ufs/host/ufs-mediatek.c @@ -1994,6 +1994,11 @@ static int ufs_mtk_system_suspend(struct device *dev) struct arm_smccc_res res; int ret; + if (hba->shutting_down) { + ret = -EBUSY; + goto out; + } + ret = ufshcd_system_suspend(dev); if (ret) goto out; -- 2.51.0