From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759193Ab2CMAps (ORCPT ); Mon, 12 Mar 2012 20:45:48 -0400 Received: from mail.windriver.com ([147.11.1.11]:48295 "EHLO mail.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758994Ab2CMAXk (ORCPT ); Mon, 12 Mar 2012 20:23:40 -0400 From: Paul Gortmaker To: stable@kernel.org, linux-kernel@vger.kernel.org Cc: stable-review@kernel.org, Ben Hutchings , Greg Kroah-Hartman , Paul Gortmaker Subject: [34-longterm 118/196] Staging: rtl8192su: Clean up in case of an error in module initialisation Date: Mon, 12 Mar 2012 20:20:31 -0400 Message-Id: <1331598109-31424-73-git-send-email-paul.gortmaker@windriver.com> X-Mailer: git-send-email 1.7.9.3 In-Reply-To: <1331598109-31424-1-git-send-email-paul.gortmaker@windriver.com> References: <1331597724-31358-1-git-send-email-paul.gortmaker@windriver.com> <1331598109-31424-1-git-send-email-paul.gortmaker@windriver.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ben Hutchings ------------------- This is a commit scheduled for the next v2.6.34 longterm release. If you see a problem with using this for longterm, please comment. ------------------- commit 9a3dfa0555130952517b9a9c3918729495aa709a upstream. Currently various resources may be leaked in case of an error. Signed-off-by: Ben Hutchings Signed-off-by: Greg Kroah-Hartman Signed-off-by: Paul Gortmaker --- drivers/staging/rtl8192su/r8192U_core.c | 43 ++++++++++++++++++++++++++----- 1 file changed, 36 insertions(+), 7 deletions(-) diff --git a/drivers/staging/rtl8192su/r8192U_core.c b/drivers/staging/rtl8192su/r8192U_core.c index 04f8516..9848d08 100644 --- a/drivers/staging/rtl8192su/r8192U_core.c +++ b/drivers/staging/rtl8192su/r8192U_core.c @@ -960,10 +960,11 @@ static int proc_get_stats_rx(char *page, char **start, return len; } -void rtl8192_proc_module_init(void) +int rtl8192_proc_module_init(void) { RT_TRACE(COMP_INIT, "Initializing proc filesystem"); rtl8192_proc=create_proc_entry(RTL819xU_MODULE_NAME, S_IFDIR, init_net.proc_net); + return rtl8192_proc ? 0 : -ENOMEM; } @@ -7526,35 +7527,63 @@ static int __init rtl8192_usb_module_init(void) ret = ieee80211_crypto_init(); if (ret) { printk(KERN_ERR "ieee80211_crypto_init() failed %d\n", ret); - return ret; + goto fail_crypto; } ret = ieee80211_crypto_tkip_init(); if (ret) { printk(KERN_ERR "ieee80211_crypto_tkip_init() failed %d\n", ret); - return ret; + goto fail_crypto_tkip; } ret = ieee80211_crypto_ccmp_init(); if (ret) { printk(KERN_ERR "ieee80211_crypto_ccmp_init() failed %d\n", ret); - return ret; + goto fail_crypto_ccmp; } ret = ieee80211_crypto_wep_init(); if (ret) { printk(KERN_ERR "ieee80211_crypto_wep_init() failed %d\n", ret); - return ret; + goto fail_crypto_wep; } printk(KERN_INFO "\nLinux kernel driver for RTL8192 based WLAN cards\n"); printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan\n"); RT_TRACE(COMP_INIT, "Initializing module"); RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT); - rtl8192_proc_module_init(); - return usb_register(&rtl8192_usb_driver); + + ret = rtl8192_proc_module_init(); + if (ret) { + pr_err("rtl8192_proc_module_init() failed %d\n", ret); + goto fail_proc; + } + + ret = usb_register(&rtl8192_usb_driver); + if (ret) { + pr_err("usb_register() failed %d\n", ret); + goto fail_usb; + } + + return 0; + +fail_usb: + rtl8192_proc_module_remove(); +fail_proc: + ieee80211_crypto_wep_exit(); +fail_crypto_wep: + ieee80211_crypto_ccmp_exit(); +fail_crypto_ccmp: + ieee80211_crypto_tkip_exit(); +fail_crypto_tkip: + ieee80211_crypto_deinit(); +fail_crypto: +#ifdef CONFIG_IEEE80211_DEBUG + ieee80211_debug_exit(); +#endif + return ret; } -- 1.7.9.3