From patchwork Tue Jan 22 15:21:26 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 10775789 X-Patchwork-Delegate: kvalo@adurom.com 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 C2C051390 for ; Tue, 22 Jan 2019 15:27:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B2FB62AE42 for ; Tue, 22 Jan 2019 15:27:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A7BE22AEB1; Tue, 22 Jan 2019 15:27:21 +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,DKIM_SIGNED, DKIM_VALID,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 4B6AA2AE42 for ; Tue, 22 Jan 2019 15:27:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729740AbfAVPW4 (ORCPT ); Tue, 22 Jan 2019 10:22:56 -0500 Received: from mail.kernel.org ([198.145.29.99]:35282 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729732AbfAVPWy (ORCPT ); Tue, 22 Jan 2019 10:22:54 -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 31203217D6; Tue, 22 Jan 2019 15:22:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548170572; bh=urRGes8OWVXQNU55psX7X+TVwJjeaCJAm4+Qrs4zg5g=; h=From:To:Cc:Subject:Date:From; b=fgHV5vwzwre/UXaZHDDOh7WrGpFsxbuS4A9t32Kj6FIqjFTkQnlJv3PkqJQHs54Dt C/lKxiwvgZUqaamycfP3CN44v0vBXsN+XwkZvZGoPMD8C7BWSwkQ5EvbawuhzMg9kq Jh0M8GMuhSZ/dcAWr34zVqWgzdYpjZtX+gzaUs98= 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: wl12xx: no need to check return value of debugfs_create functions Date: Tue, 22 Jan 2019 16:21:26 +0100 Message-Id: <20190122152151.16139-27-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 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 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 Acked-by: Tony Lindgren --- drivers/net/wireless/ti/wl12xx/debugfs.c | 20 +------------------- 1 file changed, 1 insertion(+), 19 deletions(-) diff --git a/drivers/net/wireless/ti/wl12xx/debugfs.c b/drivers/net/wireless/ti/wl12xx/debugfs.c index 0521cbf858cf..6c3c04eca8fd 100644 --- a/drivers/net/wireless/ti/wl12xx/debugfs.c +++ b/drivers/net/wireless/ti/wl12xx/debugfs.c @@ -125,20 +125,10 @@ WL12XX_DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, "%u"); int wl12xx_debugfs_add_files(struct wl1271 *wl, struct dentry *rootdir) { - int ret = 0; - struct dentry *entry, *stats, *moddir; + struct dentry *stats, *moddir; moddir = debugfs_create_dir(KBUILD_MODNAME, rootdir); - if (!moddir || IS_ERR(moddir)) { - entry = moddir; - goto err; - } - stats = debugfs_create_dir("fw_stats", moddir); - if (!stats || IS_ERR(stats)) { - entry = stats; - goto err; - } DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow); @@ -232,12 +222,4 @@ int wl12xx_debugfs_add_files(struct wl1271 *wl, DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data); return 0; - -err: - if (IS_ERR(entry)) - ret = PTR_ERR(entry); - else - ret = -ENOMEM; - - return ret; }