From patchwork Fri Feb 15 11:49:14 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Coelho X-Patchwork-Id: 10814823 X-Patchwork-Delegate: luca@coelho.fi Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 94E1917E0 for ; Fri, 15 Feb 2019 11:49:43 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 823422E9A5 for ; Fri, 15 Feb 2019 11:49:43 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 768092E9AC; Fri, 15 Feb 2019 11:49:43 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 187AF2E9A5 for ; Fri, 15 Feb 2019 11:49:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727457AbfBOLtm (ORCPT ); Fri, 15 Feb 2019 06:49:42 -0500 Received: from paleale.coelho.fi ([176.9.41.70]:60472 "EHLO farmhouse.coelho.fi" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2436494AbfBOLtl (ORCPT ); Fri, 15 Feb 2019 06:49:41 -0500 Received: from 91-156-4-241.elisa-laajakaista.fi ([91.156.4.241] helo=redipa.ger.corp.intel.com) by farmhouse.coelho.fi with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.91) (envelope-from ) id 1gubzt-0008TN-Gm; Fri, 15 Feb 2019 13:49:37 +0200 From: Luca Coelho To: kvalo@codeaurora.org Cc: linux-wireless@vger.kernel.org, Greg Kroah-Hartman , Johannes Berg , Emmanuel Grumbach , Luca Coelho , Intel Linux Wireless Date: Fri, 15 Feb 2019 13:49:14 +0200 Message-Id: <20190215114924.2545-11-luca@coelho.fi> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190215114924.2545-1-luca@coelho.fi> References: <20190215114924.2545-1-luca@coelho.fi> MIME-Version: 1.0 Subject: [PATCH 10/20] iwlwifi: iwl-drv: no need to check return value of debugfs_create functions Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Greg Kroah-Hartman When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: Johannes Berg Cc: Emmanuel Grumbach Cc: Luca Coelho Cc: Intel Linux Wireless Cc: Kalle Valo Cc: linux-wireless@vger.kernel.org Signed-off-by: Greg Kroah-Hartman Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/iwl-drv.c | 22 -------------------- 1 file changed, 22 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c index 4b75a93c7364..689a65b11cc3 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c @@ -1253,11 +1253,6 @@ _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) #ifdef CONFIG_IWLWIFI_DEBUGFS drv->dbgfs_op_mode = debugfs_create_dir(op->name, drv->dbgfs_drv); - if (!drv->dbgfs_op_mode) { - IWL_ERR(drv, - "failed to create opmode debugfs directory\n"); - return op_mode; - } dbgfs_dir = drv->dbgfs_op_mode; #endif @@ -1620,20 +1615,8 @@ struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), iwl_dbgfs_root); - if (!drv->dbgfs_drv) { - IWL_ERR(drv, "failed to create debugfs directory\n"); - ret = -ENOMEM; - goto err_free_tlv; - } - /* Create transport layer debugfs dir */ drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); - - if (!drv->trans->dbgfs_dir) { - IWL_ERR(drv, "failed to create transport debugfs directory\n"); - ret = -ENOMEM; - goto err_free_dbgfs; - } #endif ret = iwl_request_firmware(drv, true); @@ -1646,9 +1629,7 @@ struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) err_fw: #ifdef CONFIG_IWLWIFI_DEBUGFS -err_free_dbgfs: debugfs_remove_recursive(drv->dbgfs_drv); -err_free_tlv: iwl_fw_dbg_free(drv->trans); #endif kfree(drv); @@ -1759,9 +1740,6 @@ static int __init iwl_drv_init(void) #ifdef CONFIG_IWLWIFI_DEBUGFS /* Create the root of iwlwifi debugfs subsystem. */ iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); - - if (!iwl_dbgfs_root) - return -EFAULT; #endif return iwl_pci_register_driver();