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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A4CDFC433F5 for ; Mon, 18 Apr 2022 13:46:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244268AbiDRNr1 (ORCPT ); Mon, 18 Apr 2022 09:47:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57308 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243720AbiDRN3E (ORCPT ); Mon, 18 Apr 2022 09:29:04 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 91D183FBEE; Mon, 18 Apr 2022 05:53:45 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 21799612C3; Mon, 18 Apr 2022 12:53:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 16FE7C385A1; Mon, 18 Apr 2022 12:53:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1650286424; bh=pbWOlWjYLriqB3tA+WF6LhE82z+m6RnhJZXV0L8KsbI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mY2w91xtZp1i+7NfZ6C4pUiLgL/Sx+NA5YMOG5fOOpymAHiBMHQY9lgAfDAnxKrfE XQcQLtbM629/GtnJ5PdaAhrZMZaCu3q+627QVZKKrVQl8BMU2MwHD7M5oa07WmF/XI oRVITD8ko1RMFoxPYo+BP5jBsgoAWrkecGsOnqQk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jiasheng Jiang , Mark Brown , Sasha Levin Subject: [PATCH 4.14 090/284] ASoC: fsi: Add check for clk_enable Date: Mon, 18 Apr 2022 14:11:11 +0200 Message-Id: <20220418121213.245644392@linuxfoundation.org> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20220418121210.689577360@linuxfoundation.org> References: <20220418121210.689577360@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jiasheng Jiang [ Upstream commit 405afed8a728f23cfaa02f75bbc8bdd6b7322123 ] As the potential failure of the clk_enable(), it should be better to check it and return error if fails. Fixes: ab6f6d85210c ("ASoC: fsi: add master clock control functions") Signed-off-by: Jiasheng Jiang Link: https://lore.kernel.org/r/20220302062844.46869-1-jiasheng@iscas.ac.cn Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/sh/fsi.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c index 6d3c7706d93f..b564accb6098 100644 --- a/sound/soc/sh/fsi.c +++ b/sound/soc/sh/fsi.c @@ -820,14 +820,27 @@ static int fsi_clk_enable(struct device *dev, return ret; } - clk_enable(clock->xck); - clk_enable(clock->ick); - clk_enable(clock->div); + ret = clk_enable(clock->xck); + if (ret) + goto err; + ret = clk_enable(clock->ick); + if (ret) + goto disable_xck; + ret = clk_enable(clock->div); + if (ret) + goto disable_ick; clock->count++; } return ret; + +disable_ick: + clk_disable(clock->ick); +disable_xck: + clk_disable(clock->xck); +err: + return ret; } static int fsi_clk_disable(struct device *dev, -- 2.34.1