From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:46778 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752599AbdBTMdl (ORCPT ); Mon, 20 Feb 2017 07:33:41 -0500 Subject: Patch "ntb: ntb_perf missing dmaengine_unmap_put" has been added to the 4.9-stable tree To: dave.jiang@intel.com, gregkh@linuxfoundation.org, jdmason@kudzu.us Cc: , From: Date: Mon, 20 Feb 2017 13:33:37 +0100 Message-ID: <148759401716630@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled ntb: ntb_perf missing dmaengine_unmap_put to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: ntb-ntb_perf-missing-dmaengine_unmap_put.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 9644347c5240d0ee3ba7472ef332aaa4ff4db398 Mon Sep 17 00:00:00 2001 From: Dave Jiang Date: Mon, 30 Jan 2017 14:21:17 -0700 Subject: ntb: ntb_perf missing dmaengine_unmap_put From: Dave Jiang commit 9644347c5240d0ee3ba7472ef332aaa4ff4db398 upstream. In the normal I/O execution path, ntb_perf is missing a call to dmaengine_unmap_put() after submission. That causes us to leak unmap objects. Signed-off-by: Dave Jiang Fixes: 8a7b6a77 ("ntb: ntb perf tool") Signed-off-by: Jon Mason Signed-off-by: Greg Kroah-Hartman --- drivers/ntb/test/ntb_perf.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/ntb/test/ntb_perf.c +++ b/drivers/ntb/test/ntb_perf.c @@ -265,6 +265,8 @@ static ssize_t perf_copy(struct pthr_ctx if (dma_submit_error(cookie)) goto err_set_unmap; + dmaengine_unmap_put(unmap); + atomic_inc(&pctx->dma_sync); dma_async_issue_pending(chan); Patches currently in stable-queue which might be from dave.jiang@intel.com are queue-4.9/ntb-ntb_perf-missing-dmaengine_unmap_put.patch