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 10796A94F for ; Mon, 19 May 2025 13:36:25 +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=1747661786; cv=none; b=sSwwabUv8Is16flipihCMHoBjHI5DUGNlzPMBM9ebwdDE89bjuRh0hYG+Ve/XpMro4MvpxAfh1tlzscMza7jlzenGLAs7y/E3/d6nW0Q6CMdCDCgfkL4obwbnKAQoMaz5Xxp1NcUAqutpl6mdy0wRE1DXmzikWgSToMnkcRT73Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747661786; c=relaxed/simple; bh=d1xBakpHUdgjoQf0xOci0A74KXPs96pvN1/uPHjhzdQ=; h=Subject:To:Cc:From:Date:Message-ID:MIME-Version:Content-Type; b=AuhlT5Iefm3kIbjrnjGt/bVMg1vD/N9MCPrwdRUS7SfS08Tu4ZHLP/uLVQ3JkCfO1s7qToO1h9p1RiDHbDdVZzzrbbQilARmOmgSQ1p7jbUYp4SF7Lf7onzthxwtjkKkii3JE2upWkXIKqreBOijAiDsVjLv5fb+Fm1RAmJufC8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=z/FiNWn/; 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="z/FiNWn/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 14BFFC4CEE9; Mon, 19 May 2025 13:36:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1747661785; bh=d1xBakpHUdgjoQf0xOci0A74KXPs96pvN1/uPHjhzdQ=; h=Subject:To:Cc:From:Date:From; b=z/FiNWn/ETqrHZc2yESfO9LhJd1QzQ706h92a/xqJlF18fO98xSlUoNyWb6qhgbTv cRBnXarYHFJl4N3JJjCXESfyavg8SqaBDUAOzG/Q9FYqu8EAMrqnar9708y59JmVlL pJub8Yjf6TjeYn8v/7BT0H7wSA+7mwhxTQpeUv94= Subject: FAILED: patch "[PATCH] dmaengine: idxd: Add missing idxd cleanup to fix memory leak" failed to apply to 5.15-stable tree To: xueshuai@linux.alibaba.com,dave.jiang@intel.com,fenghuay@nvidia.com,vinicius.gomes@intel.com,vkoul@kernel.org Cc: From: Date: Mon, 19 May 2025 15:36:22 +0200 Message-ID: <2025051922-ozone-overpass-e4e1@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x d5449ff1b04dfe9ed8e455769aa01e4c2ccf6805 # git commit -s git send-email --to '' --in-reply-to '2025051922-ozone-overpass-e4e1@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From d5449ff1b04dfe9ed8e455769aa01e4c2ccf6805 Mon Sep 17 00:00:00 2001 From: Shuai Xue Date: Fri, 4 Apr 2025 20:02:16 +0800 Subject: [PATCH] dmaengine: idxd: Add missing idxd cleanup to fix memory leak in remove call The remove call stack is missing idxd cleanup to free bitmap, ida and the idxd_device. Call idxd_free() helper routines to make sure we exit gracefully. Fixes: bfe1d56091c1 ("dmaengine: idxd: Init and probe for Intel data accelerators") Cc: stable@vger.kernel.org Suggested-by: Vinicius Costa Gomes Signed-off-by: Shuai Xue Reviewed-by: Fenghua Yu Reviewed-by: Dave Jiang Link: https://lore.kernel.org/r/20250404120217.48772-9-xueshuai@linux.alibaba.com Signed-off-by: Vinod Koul diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c index f2b5b17538c0..974b926bd930 100644 --- a/drivers/dma/idxd/init.c +++ b/drivers/dma/idxd/init.c @@ -1335,6 +1335,7 @@ static void idxd_remove(struct pci_dev *pdev) destroy_workqueue(idxd->wq); perfmon_pmu_remove(idxd); put_device(idxd_confdev(idxd)); + idxd_free(idxd); } static struct pci_driver idxd_pci_driver = {