From patchwork Thu Mar 15 13:57:20 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Francois Romieu X-Patchwork-Id: 146991 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 1FAD7B6EF3 for ; Fri, 16 Mar 2012 01:00:30 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761485Ab2COOA2 (ORCPT ); Thu, 15 Mar 2012 10:00:28 -0400 Received: from violet.fr.zoreil.com ([92.243.8.30]:51888 "EHLO violet" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1761246Ab2CON74 (ORCPT ); Thu, 15 Mar 2012 09:59:56 -0400 Received: from violet.fr.zoreil.com (localhost [127.0.0.1]) by violet (8.13.8/8.13.8) with ESMTP id q2FDvfmn011114; Thu, 15 Mar 2012 14:58:12 +0100 From: Francois Romieu To: netdev@vger.kernel.org Cc: "David Miller" , Grant Grundler Subject: [PATCH net-next 23/34] uli526x: fix regions leak in driver probe error path. Date: Thu, 15 Mar 2012 14:57:20 +0100 Message-Id: X-Mailer: git-send-email 1.7.4.1 In-Reply-To: References: X-Organisation: Land of Sunshine Inc. Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Signed-off-by: Francois Romieu Cc: Grant Grundler Acked-by: Grant Grundler --- drivers/net/ethernet/dec/tulip/uli526x.c | 48 ++++++++++++----------------- 1 files changed, 20 insertions(+), 28 deletions(-) diff --git a/drivers/net/ethernet/dec/tulip/uli526x.c b/drivers/net/ethernet/dec/tulip/uli526x.c index fc4001f..c9b3396 100644 --- a/drivers/net/ethernet/dec/tulip/uli526x.c +++ b/drivers/net/ethernet/dec/tulip/uli526x.c @@ -313,9 +313,9 @@ static int __devinit uli526x_init_one (struct pci_dev *pdev, goto err_out_disable; } - if (pci_request_regions(pdev, DRV_NAME)) { + err = pci_request_regions(pdev, DRV_NAME); + if (err < 0) { pr_err("Failed to request PCI regions\n"); - err = -ENODEV; goto err_out_disable; } @@ -323,18 +323,15 @@ static int __devinit uli526x_init_one (struct pci_dev *pdev, db = netdev_priv(dev); /* Allocate Tx/Rx descriptor memory */ + err = -ENOMEM; + db->desc_pool_ptr = pci_alloc_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20, &db->desc_pool_dma_ptr); - if(db->desc_pool_ptr == NULL) - { - err = -ENOMEM; - goto err_out_nomem; - } + if (!db->desc_pool_ptr) + goto err_out_release; + db->buf_pool_ptr = pci_alloc_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, &db->buf_pool_dma_ptr); - if(db->buf_pool_ptr == NULL) - { - err = -ENOMEM; - goto err_out_nomem; - } + if (!db->buf_pool_ptr) + goto err_out_free_tx_desc; db->first_tx_desc = (struct tx_desc *) db->desc_pool_ptr; db->first_tx_desc_dma = db->desc_pool_dma_ptr; @@ -387,7 +384,7 @@ static int __devinit uli526x_init_one (struct pci_dev *pdev, } err = register_netdev (dev); if (err) - goto err_out_res; + goto err_out_free_tx_buf; netdev_info(dev, "ULi M%04lx at pci%s, %pM, irq %d\n", ent->driver_data >> 16, pci_name(pdev), @@ -397,16 +394,14 @@ static int __devinit uli526x_init_one (struct pci_dev *pdev, return 0; -err_out_res: +err_out_free_tx_buf: + pci_free_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, + db->buf_pool_ptr, db->buf_pool_dma_ptr); +err_out_free_tx_desc: + pci_free_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20, + db->desc_pool_ptr, db->desc_pool_dma_ptr); +err_out_release: pci_release_regions(pdev); -err_out_nomem: - if(db->desc_pool_ptr) - pci_free_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20, - db->desc_pool_ptr, db->desc_pool_dma_ptr); - - if(db->buf_pool_ptr != NULL) - pci_free_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, - db->buf_pool_ptr, db->buf_pool_dma_ptr); err_out_disable: pci_disable_device(pdev); err_out_free: @@ -422,19 +417,16 @@ static void __devexit uli526x_remove_one (struct pci_dev *pdev) struct net_device *dev = pci_get_drvdata(pdev); struct uli526x_board_info *db = netdev_priv(dev); - ULI526X_DBUG(0, "uli526x_remove_one()", 0); - + unregister_netdev(dev); pci_free_consistent(db->pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20, db->desc_pool_ptr, db->desc_pool_dma_ptr); pci_free_consistent(db->pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, db->buf_pool_ptr, db->buf_pool_dma_ptr); - unregister_netdev(dev); pci_release_regions(pdev); - free_netdev(dev); /* free board information */ - pci_set_drvdata(pdev, NULL); pci_disable_device(pdev); - ULI526X_DBUG(0, "uli526x_remove_one() exit", 0); + pci_set_drvdata(pdev, NULL); + free_netdev(dev); }