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 36231311592; Tue, 31 Mar 2026 17:08:54 +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=1774976934; cv=none; b=nM4Nh7AGDQ1N5693LrCmQq5/jTy2NYRasgrH54v2IRacmuGe6HTUO6ts5olhntucHLe5Ke5LLKsqPaSPzrS1xvIo4/uSAncTZDKgufZw9kXG9nm1C7Ag//01lScgGzguDkxQb2Gfuz3OrvOnRJc1+7DEUbsjewoyM44XZqO+lKE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774976934; c=relaxed/simple; bh=zHIhrC4qjL40FU1ZWl/LUcSnmX69jAYX2dQ2SWr9WJo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QBQbVwUZpfHk0006kwiyPu6N2PQ8sgLwyzvQJ6iWLICJGKRFdqToYJjzfb3og901IxQpAbGZQLn53tioCiQ3xzN6tZMMdqHHrHnLO2dBpRPRvKD3DuCeqN+9Tzfgbdg4Rk/QWSOaCpHlZUaDiUHyY4ge0PREsA3cVxxYTJvPZg4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=EWWcj6gJ; 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="EWWcj6gJ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C0A4EC19423; Tue, 31 Mar 2026 17:08:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1774976934; bh=zHIhrC4qjL40FU1ZWl/LUcSnmX69jAYX2dQ2SWr9WJo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EWWcj6gJBRxWDwozF+1uNTQC8CBf9t8KDvzLe2+6LrasrPcv9KLhdiXEbuN3N2KuQ 5w8VMSg82oZgH13DQTd09X1Hdj+6UXXvHqXeQ1jjjQrjMV6PQ/VZ0/FWRCTTPOufIu QbpY5HGDM9cpJt2oGhLUTi+LmruZpNaioN9Wq90M= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Dave Jiang , Vinicius Costa Gomes , Vinod Koul , Sasha Levin Subject: [PATCH 6.18 285/309] dmaengine: idxd: Fix not releasing workqueue on .release() Date: Tue, 31 Mar 2026 18:23:08 +0200 Message-ID: <20260331161804.059628262@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260331161753.468533260@linuxfoundation.org> References: <20260331161753.468533260@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 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Vinicius Costa Gomes [ Upstream commit 3d33de353b1ff9023d5ec73b9becf80ea87af695 ] The workqueue associated with an DSA/IAA device is not released when the object is freed. Fixes: 47c16ac27d4c ("dmaengine: idxd: fix idxd conf_dev 'struct device' lifetime") Reviewed-by: Dave Jiang Signed-off-by: Vinicius Costa Gomes Link: https://patch.msgid.link/20260121-idxd-fix-flr-on-kernel-queues-v3-v3-7-7ed70658a9d1@intel.com Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/dma/idxd/sysfs.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma/idxd/sysfs.c b/drivers/dma/idxd/sysfs.c index 9f0701021af0e..cdd7a59140d90 100644 --- a/drivers/dma/idxd/sysfs.c +++ b/drivers/dma/idxd/sysfs.c @@ -1812,6 +1812,7 @@ static void idxd_conf_device_release(struct device *dev) { struct idxd_device *idxd = confdev_to_idxd(dev); + destroy_workqueue(idxd->wq); kfree(idxd->groups); bitmap_free(idxd->wq_enable_map); kfree(idxd->wqs); -- 2.53.0