From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D5FB2C43331 for ; Mon, 11 Nov 2019 18:45:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AB8B520659 for ; Mon, 11 Nov 2019 18:45:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573497944; bh=IQsZLuuqWUQYHXB821Rg58ODiZKecBYe5xc4iJpdbjk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=OMKmQKLreJYImSqqhbhw6gnUyNBAlb+UtYAdOy/18YXDiFUOpuOwh0UUxUTUjN+h5 TGE/mwUvCOCwst40498hT48LSh/VZIVvfpfHNxdyjPF7AkLeRB0wq1uAFxPsL/2o2W AtQs2iiZUb+Su0r27oQV0zPL59hA59r0wTEBTs08= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729908AbfKKSpn (ORCPT ); Mon, 11 Nov 2019 13:45:43 -0500 Received: from mail.kernel.org ([198.145.29.99]:37886 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729898AbfKKSpk (ORCPT ); Mon, 11 Nov 2019 13:45:40 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A070B20674; Mon, 11 Nov 2019 18:45:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573497940; bh=IQsZLuuqWUQYHXB821Rg58ODiZKecBYe5xc4iJpdbjk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=d/lAl1r790Ezsp17+oT+Soqi1L/fDQzqefmkX4OsYY62pPGec+7HHP27BL1fxMJ8O m2WL63zOFeKst4VJsq2l0uVHsecLBdiHbYLSu6rALRz0f2qgINFcqsBVYtIUBS13UQ t2GJZNPs1XUn7cL0xONuYzmPKc1JXiQs13S5J2sc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Lijun Ou , Weihang Li , Jason Gunthorpe , Sasha Levin Subject: [PATCH 4.19 102/125] RDMA/hns: Prevent memory leaks of eq->buf_list Date: Mon, 11 Nov 2019 19:29:01 +0100 Message-Id: <20191111181453.499759919@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191111181438.945353076@linuxfoundation.org> References: <20191111181438.945353076@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lijun Ou [ Upstream commit b681a0529968d2261aa15d7a1e78801b2c06bb07 ] eq->buf_list->buf and eq->buf_list should also be freed when eqe_hop_num is set to 0, or there will be memory leaks. Fixes: a5073d6054f7 ("RDMA/hns: Add eq support of hip08") Link: https://lore.kernel.org/r/1572072995-11277-3-git-send-email-liweihang@hisilicon.com Signed-off-by: Lijun Ou Signed-off-by: Weihang Li Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index a442b29e76119..cf878e1b71fc1 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -4572,9 +4572,9 @@ static void hns_roce_v2_free_eq(struct hns_roce_dev *hr_dev, return; } - if (eq->buf_list) - dma_free_coherent(hr_dev->dev, buf_chk_sz, - eq->buf_list->buf, eq->buf_list->map); + dma_free_coherent(hr_dev->dev, buf_chk_sz, eq->buf_list->buf, + eq->buf_list->map); + kfree(eq->buf_list); } static void hns_roce_config_eqc(struct hns_roce_dev *hr_dev, -- 2.20.1