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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,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 8C099C4332F for ; Thu, 9 Sep 2021 12:56:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 76B15600AA for ; Thu, 9 Sep 2021 12:56:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1355243AbhIIM5Y (ORCPT ); Thu, 9 Sep 2021 08:57:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:42578 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1355328AbhIIMtm (ORCPT ); Thu, 9 Sep 2021 08:49:42 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 414E963232; Thu, 9 Sep 2021 11:56:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1631188619; bh=vDSZq9lXefbQa4pN+legL2Fc11z3otO4Mk1OIn1/z2Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kswq3lnLFv0q1o5YmUBb0H4NpXGiK+brtR3o9UzKnwiGQW6N5kfC8ykCzzbWQvsGc oJCph9/Gy7rtfyselirZoIIOmoup6XAiy77FqMvRyPy9WM7uPK6DkENdG3TxgtEd5d /n06nvTY31gs/ElYXl0i4AjfbOJcCVcyUmyCRBTKFkXEEjJQUTlxQlgQvcko+6GHpK gN/vHh7XvqclR8U88T14iG7oHc/o3njN5nd0HC6baApVbHM6xaZwm9R+miAuiKnt6v kUYfCzBz6XKXf0LisJ+63L5+LUSjQ1KdAJ0AQlJQVJajhfVDHLF3BQ5uwtB9SWV1zx 4ISh67lcbZ0cQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Manish Narani , Adrian Hunter , Ulf Hansson , Sasha Levin , linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 5.4 088/109] mmc: sdhci-of-arasan: Check return value of non-void funtions Date: Thu, 9 Sep 2021 07:54:45 -0400 Message-Id: <20210909115507.147917-88-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210909115507.147917-1-sashal@kernel.org> References: <20210909115507.147917-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Manish Narani [ Upstream commit 66bad6ed2204fdb78a0a8fb89d824397106a5471 ] At a couple of places, the return values of the non-void functions were not getting checked. This was reported by the coverity tool. Modify the code to check the return values of the same. Addresses-Coverity: ("check_return") Signed-off-by: Manish Narani Acked-by: Adrian Hunter Link: https://lore.kernel.org/r/1623753837-21035-5-git-send-email-manish.narani@xilinx.com Signed-off-by: Ulf Hansson Signed-off-by: Sasha Levin --- drivers/mmc/host/sdhci-of-arasan.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c index 7023cbec4017..dd10f7abf5a7 100644 --- a/drivers/mmc/host/sdhci-of-arasan.c +++ b/drivers/mmc/host/sdhci-of-arasan.c @@ -192,7 +192,12 @@ static void sdhci_arasan_set_clock(struct sdhci_host *host, unsigned int clock) * through low speeds without power cycling. */ sdhci_set_clock(host, host->max_clk); - phy_power_on(sdhci_arasan->phy); + if (phy_power_on(sdhci_arasan->phy)) { + pr_err("%s: Cannot power on phy.\n", + mmc_hostname(host->mmc)); + return; + } + sdhci_arasan->is_phy_on = true; /* @@ -228,7 +233,12 @@ static void sdhci_arasan_set_clock(struct sdhci_host *host, unsigned int clock) msleep(20); if (ctrl_phy) { - phy_power_on(sdhci_arasan->phy); + if (phy_power_on(sdhci_arasan->phy)) { + pr_err("%s: Cannot power on phy.\n", + mmc_hostname(host->mmc)); + return; + } + sdhci_arasan->is_phy_on = true; } } @@ -416,7 +426,9 @@ static int sdhci_arasan_suspend(struct device *dev) ret = phy_power_off(sdhci_arasan->phy); if (ret) { dev_err(dev, "Cannot power off phy.\n"); - sdhci_resume_host(host); + if (sdhci_resume_host(host)) + dev_err(dev, "Cannot resume host.\n"); + return ret; } sdhci_arasan->is_phy_on = false; -- 2.30.2