From patchwork Sun Dec 29 22:47:22 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Lawall X-Patchwork-Id: 305678 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 138DA2C00DB for ; Mon, 30 Dec 2013 08:58:59 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755614Ab3L2V6l (ORCPT ); Sun, 29 Dec 2013 16:58:41 -0500 Received: from mail2-relais-roc.national.inria.fr ([192.134.164.83]:31762 "EHLO mail2-relais-roc.national.inria.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752798Ab3L2Vvy (ORCPT ); Sun, 29 Dec 2013 16:51:54 -0500 X-IronPort-AV: E=Sophos;i="4.95,570,1384297200"; d="scan'208";a="50832527" Received: from palace.lip6.fr (HELO localhost.localdomain) ([132.227.105.202]) by mail2-relais-roc.national.inria.fr with ESMTP/TLS/DHE-RSA-AES256-SHA; 29 Dec 2013 22:51:34 +0100 From: Julia Lawall To: Geoff Levand Cc: kernel-janitors@vger.kernel.org, netdev@vger.kernel.org, cbe-oss-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH 7/25] net: fix error return code Date: Sun, 29 Dec 2013 23:47:22 +0100 Message-Id: <1388357260-4843-8-git-send-email-Julia.Lawall@lip6.fr> X-Mailer: git-send-email 1.7.8.6 In-Reply-To: <1388357260-4843-1-git-send-email-Julia.Lawall@lip6.fr> References: <1388357260-4843-1-git-send-email-Julia.Lawall@lip6.fr> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Julia Lawall Set the return variable to propagate any error code as done elsewhere in the function. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // ( if@p1 (\(ret < 0\|ret != 0\)) { ... return ret; } | ret@p1 = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // Signed-off-by: Julia Lawall --- Not tested. drivers/net/ethernet/toshiba/ps3_gelic_net.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/net/ethernet/toshiba/ps3_gelic_net.c b/drivers/net/ethernet/toshiba/ps3_gelic_net.c index f7f2ef4..d899d00 100644 --- a/drivers/net/ethernet/toshiba/ps3_gelic_net.c +++ b/drivers/net/ethernet/toshiba/ps3_gelic_net.c @@ -1739,12 +1739,14 @@ static int ps3_gelic_driver_probe(struct ps3_system_bus_device *dev) GELIC_CARD_PORT_STATUS_CHANGED; - if (gelic_card_init_chain(card, &card->tx_chain, - card->descr, GELIC_NET_TX_DESCRIPTORS)) + result = gelic_card_init_chain(card, &card->tx_chain, + card->descr, GELIC_NET_TX_DESCRIPTORS); + if (result) goto fail_alloc_tx; - if (gelic_card_init_chain(card, &card->rx_chain, - card->descr + GELIC_NET_TX_DESCRIPTORS, - GELIC_NET_RX_DESCRIPTORS)) + result = gelic_card_init_chain(card, &card->rx_chain, + card->descr + GELIC_NET_TX_DESCRIPTORS, + GELIC_NET_RX_DESCRIPTORS); + if (result) goto fail_alloc_rx; /* head of chain */ @@ -1754,7 +1756,8 @@ static int ps3_gelic_driver_probe(struct ps3_system_bus_device *dev) card->rx_top, card->tx_top, sizeof(struct gelic_descr), GELIC_NET_RX_DESCRIPTORS); /* allocate rx skbs */ - if (gelic_card_alloc_rx_skbs(card)) + result = gelic_card_alloc_rx_skbs(card); + if (result) goto fail_alloc_skbs; spin_lock_init(&card->tx_lock); @@ -1772,7 +1775,8 @@ static int ps3_gelic_driver_probe(struct ps3_system_bus_device *dev) } #ifdef CONFIG_GELIC_WIRELESS - if (gelic_wl_driver_probe(card)) { + result = gelic_wl_driver_probe(card); + if (result) { dev_dbg(&dev->core, "%s: WL init failed\n", __func__); goto fail_setup_netdev; }