From patchwork Tue Mar 10 12:45:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 229621 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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 42B1CC18E5A for ; Tue, 10 Mar 2020 13:15:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1BFBC2468C for ; Tue, 10 Mar 2020 13:15:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583846128; bh=CoD98Bo+ro5MOQj+ifjN5T4EteboXKPXi3D4jGprWWE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=asHqsGAcF3q8Lib/ZvaeXh0s6GBUmnDtoLMayx3jqQ/fED8CYd2m7iqbRJq6k2JvP MmaYsg6o2ThoH96sGin+GxsAmlXyOmjDYP5gHcTkXmK/ism28CjEygoYt7k+3fcEud ZSwX/ySbPw1nc7GZwxz6tpvQKmn4/mQwb4tBhCrg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731498AbgCJNPW (ORCPT ); Tue, 10 Mar 2020 09:15:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:39966 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732022AbgCJNPV (ORCPT ); Tue, 10 Mar 2020 09:15:21 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.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 3A391208E4; Tue, 10 Mar 2020 13:15:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583846120; bh=CoD98Bo+ro5MOQj+ifjN5T4EteboXKPXi3D4jGprWWE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KXyAnlKtrbCKd0dyNV4SDUIEKg+mj3p7w8BObbbAs3SSR8F39vAE3GGNI80HUABJR 4aPPWsQ4Vb3KNeBg5Z+fJgl0qP6413a6xRBsOR8qUSvGugESXcTFDZrqyOI5E1U2P3 wxn4DPTRH9gn+px4sWwHyUWRj9dq42d51vIyREX0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Matthias Reichl , Pierre-Louis Bossart , Mark Brown Subject: [PATCH 4.19 66/86] ASoC: pcm512x: Fix unbalanced regulator enable call in probe error path Date: Tue, 10 Mar 2020 13:45:30 +0100 Message-Id: <20200310124534.347153999@linuxfoundation.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200310124530.808338541@linuxfoundation.org> References: <20200310124530.808338541@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Matthias Reichl commit ac0a68997935c4acb92eaae5ad8982e0bb432d56 upstream. When we get a clock error during probe we have to call regulator_bulk_disable before bailing out, otherwise we trigger a warning in regulator_put. Fix this by using "goto err" like in the error cases above. Fixes: 5a3af1293194d ("ASoC: pcm512x: Add PCM512x driver") Signed-off-by: Matthias Reichl Reviewed-by: Pierre-Louis Bossart Link: https://lore.kernel.org/r/20200220202956.29233-1-hias@horus.com Signed-off-by: Mark Brown Signed-off-by: Greg Kroah-Hartman --- sound/soc/codecs/pcm512x.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) --- a/sound/soc/codecs/pcm512x.c +++ b/sound/soc/codecs/pcm512x.c @@ -1437,13 +1437,15 @@ int pcm512x_probe(struct device *dev, st } pcm512x->sclk = devm_clk_get(dev, NULL); - if (PTR_ERR(pcm512x->sclk) == -EPROBE_DEFER) - return -EPROBE_DEFER; + if (PTR_ERR(pcm512x->sclk) == -EPROBE_DEFER) { + ret = -EPROBE_DEFER; + goto err; + } if (!IS_ERR(pcm512x->sclk)) { ret = clk_prepare_enable(pcm512x->sclk); if (ret != 0) { dev_err(dev, "Failed to enable SCLK: %d\n", ret); - return ret; + goto err; } }