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 542D5C433FE for ; Wed, 30 Nov 2022 18:53:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231511AbiK3Sxk (ORCPT ); Wed, 30 Nov 2022 13:53:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43758 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230472AbiK3SxX (ORCPT ); Wed, 30 Nov 2022 13:53:23 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6A7BD23381 for ; Wed, 30 Nov 2022 10:53:23 -0800 (PST) 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 079D461D4F for ; Wed, 30 Nov 2022 18:53:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 170EDC433D7; Wed, 30 Nov 2022 18:53:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1669834402; bh=9eK/YfM8SsXmkglH0WxqzhlfaZd4V7b6t66rSlpQoZ4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sIXkD6e32zWbNAyRITjur3Ja5vv36wpGnjsLZmeh7Pd2FEcklVhgB8iGNE+/2dc7T IdCPy5qLeQi8HGiPaWEzmDUxLZgJ0fbkZ9W3Cj6NDsoo4Qtih5EXHt00vO8t/hvmlu fFzJjARbEsXV9KsMtvwQeVlNpidvSZ8kNwRu56Yo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Olivier Moysan , Mark Brown , Sasha Levin Subject: [PATCH 6.0 241/289] ASoC: stm32: dfsdm: manage cb buffers cleanup Date: Wed, 30 Nov 2022 19:23:46 +0100 Message-Id: <20221130180549.573905141@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221130180544.105550592@linuxfoundation.org> References: <20221130180544.105550592@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Olivier Moysan [ Upstream commit 7d945b046be3d2605dbb1806e73095aadd7ae129 ] Ensure that resources allocated by iio_channel_get_all_cb() are released on driver unbind. Signed-off-by: Olivier Moysan Link: https://lore.kernel.org/r/20221109170849.273719-1-olivier.moysan@foss.st.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/stm/stm32_adfsdm.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/sound/soc/stm/stm32_adfsdm.c b/sound/soc/stm/stm32_adfsdm.c index 643fc8a17018..837c1848d9bf 100644 --- a/sound/soc/stm/stm32_adfsdm.c +++ b/sound/soc/stm/stm32_adfsdm.c @@ -304,6 +304,11 @@ static int stm32_adfsdm_dummy_cb(const void *data, void *private) return 0; } +static void stm32_adfsdm_cleanup(void *data) +{ + iio_channel_release_all_cb(data); +} + static struct snd_soc_component_driver stm32_adfsdm_soc_platform = { .open = stm32_adfsdm_pcm_open, .close = stm32_adfsdm_pcm_close, @@ -350,6 +355,12 @@ static int stm32_adfsdm_probe(struct platform_device *pdev) if (IS_ERR(priv->iio_cb)) return PTR_ERR(priv->iio_cb); + ret = devm_add_action_or_reset(&pdev->dev, stm32_adfsdm_cleanup, priv->iio_cb); + if (ret < 0) { + dev_err(&pdev->dev, "Unable to add action\n"); + return ret; + } + component = devm_kzalloc(&pdev->dev, sizeof(*component), GFP_KERNEL); if (!component) return -ENOMEM; -- 2.35.1