From patchwork Mon May 1 09:03:41 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 9706357 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B9EB26038F for ; Mon, 1 May 2017 09:04:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A2A1E2582C for ; Mon, 1 May 2017 09:04:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 96E6E27F54; Mon, 1 May 2017 09:04:01 +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=-6.9 required=2.0 tests=BAYES_00,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 AB9A725EF7 for ; Mon, 1 May 2017 09:03:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1166258AbdEAJD6 (ORCPT ); Mon, 1 May 2017 05:03:58 -0400 Received: from sauhun.de ([88.99.104.3]:48101 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1035588AbdEAJD5 (ORCPT ); Mon, 1 May 2017 05:03:57 -0400 Received: from localhost (p54B33DB4.dip0.t-ipconnect.de [84.179.61.180]) by pokefinder.org (Postfix) with ESMTPSA id E70A12C3833; Mon, 1 May 2017 11:03:54 +0200 (CEST) From: Wolfram Sang To: linux-mmc@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, Wolfram Sang Subject: [RFC PATCH 1/6] mmc: tmio: make tmio_mmc_request function more readable Date: Mon, 1 May 2017 11:03:41 +0200 Message-Id: <20170501090346.10801-2-wsa+renesas@sang-engineering.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170501090346.10801-1-wsa+renesas@sang-engineering.com> References: <20170501090346.10801-1-wsa+renesas@sang-engineering.com> Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This part confused me and I had to read it twice until I got it. Let's follow the standard pattern to bail out if something is wrong and keep in the body of the function when everything is as expected. Signed-off-by: Wolfram Sang Reviewed-by: Geert Uytterhoeven --- drivers/mmc/host/tmio_mmc_pio.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c index a2d92f10501bdd..ba1a233f97f03c 100644 --- a/drivers/mmc/host/tmio_mmc_pio.c +++ b/drivers/mmc/host/tmio_mmc_pio.c @@ -889,11 +889,12 @@ static void tmio_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq) } ret = tmio_mmc_start_command(host, mrq->cmd); - if (!ret) { - schedule_delayed_work(&host->delayed_reset_work, - msecs_to_jiffies(CMDREQ_TIMEOUT)); - return; - } + if (ret) + goto fail; + + schedule_delayed_work(&host->delayed_reset_work, + msecs_to_jiffies(CMDREQ_TIMEOUT)); + return; fail: host->force_pio = false;