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 A6C2E2D8364; Mon, 13 Apr 2026 16:34:41 +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=1776098081; cv=none; b=ScRA/CNuBWWKoZRVmNALdqvY9bMc9dUD8kilhltU6hjD7AJkblq/xfvaqyGaG5WA+J0dIwQZ0ulTdaZx5re/GQexqFVzF2d6z1vZov5NowHjA5fUtZDbemqewPnUij5uQiZ8CfJOXIu/vc5hdZ117aBeUaaGb/Eeqrc3Z0c9348= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776098081; c=relaxed/simple; bh=v6PQ0af9/QMQMsEq6ckC14MX2updPPAWWFRF99ykDCA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=AzyxUESjzqc7ydDYSbqBug2oS3fAqQurEwhY2msDMjcyoiGBny5cabgz3SmvvJsaCHt93JCmRfX8TIUvxM14biN7nPpwnzSKMIytkB0ioiChqNeFrlnzOh5CLrF8zsRNMMg+5RJjKs0IkkEWYr+62LDBvmJmg/4+Vvm6R2uqla8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ZkH+mRjo; 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="ZkH+mRjo" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3F459C2BCAF; Mon, 13 Apr 2026 16:34:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1776098081; bh=v6PQ0af9/QMQMsEq6ckC14MX2updPPAWWFRF99ykDCA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZkH+mRjo8V+vszFHvEVhHtd+EfQc2trd8OLTQdmeVMwVFiNGAm29Z2lhSqWhPiHnn epA25OY72MJjQg1AuMPJnTQTI5dQocBAN/0dpqeYWI+OUCqaa7CdwR3XjM4q3OtK0r wqkGhkAoGc4wKNHTPXdV6vnWZK/phYWwLV25Locc= 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 5.15 386/570] dmaengine: idxd: Fix not releasing workqueue on .release() Date: Mon, 13 Apr 2026 17:58:37 +0200 Message-ID: <20260413155844.937196566@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: 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 489a9d8850764..ee208dfdd0cb5 100644 --- a/drivers/dma/idxd/sysfs.c +++ b/drivers/dma/idxd/sysfs.c @@ -1271,6 +1271,7 @@ static void idxd_conf_device_release(struct device *dev) { struct idxd_device *idxd = confdev_to_idxd(dev); + destroy_workqueue(idxd->wq); kfree(idxd->groups); kfree(idxd->wqs); kfree(idxd->engines); -- 2.53.0