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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6DC3EC4167B for ; Mon, 12 Dec 2022 13:33:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229904AbiLLNdL (ORCPT ); Mon, 12 Dec 2022 08:33:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33398 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232322AbiLLNdI (ORCPT ); Mon, 12 Dec 2022 08:33:08 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F10122BC0 for ; Mon, 12 Dec 2022 05:33:07 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 8936F6105A for ; Mon, 12 Dec 2022 13:33:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 46BB1C433D2; Mon, 12 Dec 2022 13:33:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1670851987; bh=28A9aXTqdeI0yQmARiaBRORW/ztIrUyXmih2nzNuaBQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hZI6s9NZutURbxJqMWf0eAhv776nHRHRK5ab/n1pmXxVtWRVUlNf7OvJM7zw19yR2 62Ysf7pz6+XcOMrZDTWnLx8tILjGeMjG464rkLMKGBr9skx20eNAjh8wfzB+tKxG7G cspIBp2OR1S9jYE4Iw7RrArSbIouTW8ZDpffFSjE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yuan Can , Paolo Abeni , Sasha Levin Subject: [PATCH 5.15 110/123] dpaa2-switch: Fix memory leak in dpaa2_switch_acl_entry_add() and dpaa2_switch_acl_entry_remove() Date: Mon, 12 Dec 2022 14:17:56 +0100 Message-Id: <20221212130931.955628392@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221212130926.811961601@linuxfoundation.org> References: <20221212130926.811961601@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Yuan Can [ Upstream commit 4fad22a1281c500f15b172c9d261eff347ca634b ] The cmd_buff needs to be freed when error happened in dpaa2_switch_acl_entry_add() and dpaa2_switch_acl_entry_remove(). Fixes: 1110318d83e8 ("dpaa2-switch: add tc flower hardware offload on ingress traffic") Signed-off-by: Yuan Can Link: https://lore.kernel.org/r/20221205061515.115012-1-yuancan@huawei.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-flower.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-flower.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-flower.c index cacd454ac696..c39b866e2582 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-flower.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-flower.c @@ -132,6 +132,7 @@ int dpaa2_switch_acl_entry_add(struct dpaa2_switch_filter_block *filter_block, DMA_TO_DEVICE); if (unlikely(dma_mapping_error(dev, acl_entry_cfg->key_iova))) { dev_err(dev, "DMA mapping failed\n"); + kfree(cmd_buff); return -EFAULT; } @@ -142,6 +143,7 @@ int dpaa2_switch_acl_entry_add(struct dpaa2_switch_filter_block *filter_block, DMA_TO_DEVICE); if (err) { dev_err(dev, "dpsw_acl_add_entry() failed %d\n", err); + kfree(cmd_buff); return err; } @@ -172,6 +174,7 @@ dpaa2_switch_acl_entry_remove(struct dpaa2_switch_filter_block *block, DMA_TO_DEVICE); if (unlikely(dma_mapping_error(dev, acl_entry_cfg->key_iova))) { dev_err(dev, "DMA mapping failed\n"); + kfree(cmd_buff); return -EFAULT; } @@ -182,6 +185,7 @@ dpaa2_switch_acl_entry_remove(struct dpaa2_switch_filter_block *block, DMA_TO_DEVICE); if (err) { dev_err(dev, "dpsw_acl_remove_entry() failed %d\n", err); + kfree(cmd_buff); return err; } -- 2.35.1