From nobody Wed Dec 17 09:14:23 2025 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 B21C8C38A2D for ; Mon, 24 Oct 2022 13:56:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236788AbiJXN4J (ORCPT ); Mon, 24 Oct 2022 09:56:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60880 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236767AbiJXNyD (ORCPT ); Mon, 24 Oct 2022 09:54:03 -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 9ADEEBC603; Mon, 24 Oct 2022 05:43:43 -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 8509F612FF; Mon, 24 Oct 2022 12:43:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9B6ECC433C1; Mon, 24 Oct 2022 12:43:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666615403; bh=0FgWjyKLI2um8JGHlqz65laz4O0Ndws/2JkNnZQ5x/Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=e26Mpln/PiNpVZ6IShUH/vn39lR74MJBpsdULGdBokqh0znIJ5wsWWIIEsmIMSxbQ ZViyaAPrlXpQKqbcPei3BlHILv0ivo49Ee0I/9y/oogfhMbl+lbZfQFm7bheN0BEyP s8W97SXjDFo2GKm72RV0cAqzJhn8zwKnfVEFspIg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dan Carpenter , Christophe JAILLET , Mark Brown , Sasha Levin Subject: [PATCH 5.15 238/530] ASoC: da7219: Fix an error handling path in da7219_register_dai_clks() Date: Mon, 24 Oct 2022 13:29:42 +0200 Message-Id: <20221024113055.874671211@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221024113044.976326639@linuxfoundation.org> References: <20221024113044.976326639@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Christophe JAILLET [ Upstream commit abb4e4349afe7eecdb0499582f1c777031e3a7c8 ] If clk_hw_register() fails, the corresponding clk should not be unregistered. To handle errors from loops, clean up partial iterations before doing the goto. So add a clk_hw_unregister(). Then use a while (--i >=3D 0) loop in the unwind section. Fixes: 78013a1cf297 ("ASoC: da7219: Fix clock handling around codec level p= robe") Reported-by: Dan Carpenter Signed-off-by: Christophe JAILLET Reviewed-by: Dan Carpenter Link: https://lore.kernel.org/r/e4acceab57a0d9e477a8d5890a45c5309e553e7c.16= 63875789.git.christophe.jaillet@wanadoo.fr Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/codecs/da7219.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/da7219.c b/sound/soc/codecs/da7219.c index c7493549a9a5..da4c24b8dae5 100644 --- a/sound/soc/codecs/da7219.c +++ b/sound/soc/codecs/da7219.c @@ -2196,6 +2196,7 @@ static int da7219_register_dai_clks(struct snd_soc_co= mponent *component) dai_clk_lookup =3D clkdev_hw_create(dai_clk_hw, init.name, "%s", dev_name(dev)); if (!dai_clk_lookup) { + clk_hw_unregister(dai_clk_hw); ret =3D -ENOMEM; goto err; } else { @@ -2217,12 +2218,12 @@ static int da7219_register_dai_clks(struct snd_soc_= component *component) return 0; =20 err: - do { + while (--i >=3D 0) { if (da7219->dai_clks_lookup[i]) clkdev_drop(da7219->dai_clks_lookup[i]); =20 clk_hw_unregister(&da7219->dai_clks_hw[i]); - } while (i-- > 0); + } =20 if (np) kfree(da7219->clk_hw_data); --=20 2.35.1