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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1C350C282C4 for ; Tue, 22 Jan 2019 15:22:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E4A2420879 for ; Tue, 22 Jan 2019 15:22:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548170576; bh=TbYRExZuIfzRcn4mCV5OtcYXDb+ooEgdD1g1TTi3r1Y=; h=From:To:Cc:Subject:Date:List-ID:From; b=OnpfhHWXpV/UqZDbA/ZuIOIP1D+eXsI0+hJHreMl7yTv/i0rDlK48wE0uTVlQmghK miI8CGp9BTR4kD+mFE+6vUFmYDj+pO4/CU0lpKUomBeWxvM5b+LzmyAmmDZVtkj4Yq Wd1Dof1xknrmClP2gVSzT2XbGMntC/nZkeAVZc5Y= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729015AbfAVPWy (ORCPT ); Tue, 22 Jan 2019 10:22:54 -0500 Received: from mail.kernel.org ([198.145.29.99]:35146 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729676AbfAVPWs (ORCPT ); Tue, 22 Jan 2019 10:22:48 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1630B217D6; Tue, 22 Jan 2019 15:22:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548170567; bh=TbYRExZuIfzRcn4mCV5OtcYXDb+ooEgdD1g1TTi3r1Y=; h=From:To:Cc:Subject:Date:From; b=rZtbmfv9xFEBWYF+/6UW21z3+FDJHYKsnlhq0xEK7o/yl6tOKApXgbbfzKy/6MeT0 qUX8JcQsPJ3Zs8h/MedtH91r33w6b6iqoXKtwYk29iB0cX8DtpGgVdYXO6rwRWuVJI ozvBdlPE0MnrdblVB1XGiAmztm6fw+FUugvQ6+lM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , Kalle Valo , Tony Lindgren , linux-wireless@vger.kernel.org Subject: [PATCH] ti: wlcore: no need to check return value of debugfs_create functions Date: Tue, 22 Jan 2019 16:21:24 +0100 Message-Id: <20190122152151.16139-25-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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: Kalle Valo Cc: Tony Lindgren Cc: linux-wireless@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/ti/wlcore/debugfs.c | 28 ++++-------------------- drivers/net/wireless/ti/wlcore/debugfs.h | 10 +++------ 2 files changed, 7 insertions(+), 31 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/debugfs.c b/drivers/net/wireless/ti/wlcore/debugfs.c index aeb74e74698e..68acd901d384 100644 --- a/drivers/net/wireless/ti/wlcore/debugfs.c +++ b/drivers/net/wireless/ti/wlcore/debugfs.c @@ -1301,11 +1301,10 @@ static const struct file_operations fw_logger_ops = { .llseek = default_llseek, }; -static int wl1271_debugfs_add_files(struct wl1271 *wl, - struct dentry *rootdir) +static void wl1271_debugfs_add_files(struct wl1271 *wl, + struct dentry *rootdir) { - int ret = 0; - struct dentry *entry, *streaming; + struct dentry *streaming; DEBUGFS_ADD(tx_queue_len, rootdir); DEBUGFS_ADD(retry_count, rootdir); @@ -1330,23 +1329,11 @@ static int wl1271_debugfs_add_files(struct wl1271 *wl, DEBUGFS_ADD(fw_logger, rootdir); streaming = debugfs_create_dir("rx_streaming", rootdir); - if (!streaming || IS_ERR(streaming)) - goto err; DEBUGFS_ADD_PREFIX(rx_streaming, interval, streaming); DEBUGFS_ADD_PREFIX(rx_streaming, always, streaming); DEBUGFS_ADD_PREFIX(dev, mem, rootdir); - - return 0; - -err: - if (IS_ERR(entry)) - ret = PTR_ERR(entry); - else - ret = -ENOMEM; - - return ret; } void wl1271_debugfs_reset(struct wl1271 *wl) @@ -1367,11 +1354,6 @@ int wl1271_debugfs_init(struct wl1271 *wl) rootdir = debugfs_create_dir(KBUILD_MODNAME, wl->hw->wiphy->debugfsdir); - if (IS_ERR(rootdir)) { - ret = PTR_ERR(rootdir); - goto out; - } - wl->stats.fw_stats = kzalloc(wl->stats.fw_stats_len, GFP_KERNEL); if (!wl->stats.fw_stats) { ret = -ENOMEM; @@ -1380,9 +1362,7 @@ int wl1271_debugfs_init(struct wl1271 *wl) wl->stats.fw_stats_update = jiffies; - ret = wl1271_debugfs_add_files(wl, rootdir); - if (ret < 0) - goto out_exit; + wl1271_debugfs_add_files(wl, rootdir); ret = wlcore_debugfs_init(wl, rootdir); if (ret < 0) diff --git a/drivers/net/wireless/ti/wlcore/debugfs.h b/drivers/net/wireless/ti/wlcore/debugfs.h index bf14676e6515..a4952c4f587e 100644 --- a/drivers/net/wireless/ti/wlcore/debugfs.h +++ b/drivers/net/wireless/ti/wlcore/debugfs.h @@ -53,19 +53,15 @@ static const struct file_operations name## _ops = { \ #define DEBUGFS_ADD(name, parent) \ do { \ - entry = debugfs_create_file(#name, 0400, parent, \ - wl, &name## _ops); \ - if (!entry || IS_ERR(entry)) \ - goto err; \ + debugfs_create_file(#name, 0400, parent, \ + wl, &name## _ops); \ } while (0) #define DEBUGFS_ADD_PREFIX(prefix, name, parent) \ do { \ - entry = debugfs_create_file(#name, 0400, parent, \ + debugfs_create_file(#name, 0400, parent, \ wl, &prefix## _## name## _ops); \ - if (!entry || IS_ERR(entry)) \ - goto err; \ } while (0) #define DEBUGFS_FWSTATS_FILE(sub, name, fmt, struct_type) \ -- 2.20.1