From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753270AbaANFda (ORCPT ); Tue, 14 Jan 2014 00:33:30 -0500 Received: from mail-db8lp0186.outbound.messaging.microsoft.com ([213.199.154.186]:32205 "EHLO db8outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751678AbaANFd0 (ORCPT ); Tue, 14 Jan 2014 00:33:26 -0500 X-Forefront-Antispam-Report: CIP:70.37.183.190;KIP:(null);UIP:(null);IPV:NLI;H:mail.freescale.net;RD:none;EFVD:NLI X-SpamScore: 3 X-BigFish: VS3(zzc8kzz1f42h2148h208ch1ee6h1de0h1fdah2073h2146h1202h1e76h2189h1d1ah1d2ah1fc6hzz1de098h8275bh1de097hz2dh2a8h839he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1b2fh2222h224fh1fb3h1d0ch1d2eh1d3fh1dc1h1dfeh1dffh1e23h1fe8h1ff5h2218h2216h226dh22d0h2327h2336h2438h2461h1155h) From: Xiubo Li To: , CC: , , , Xiubo Li Subject: [PATCH resend] ASoC: simple-card: fix one bug to writing to the platform data Date: Tue, 14 Jan 2014 12:35:32 +0800 Message-ID: <1389674132-14928-1-git-send-email-Li.Xiubo@freescale.com> X-Mailer: git-send-email 1.8.0 MIME-Version: 1.0 Content-Type: text/plain X-OriginatorOrg: freescale.com X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% X-FOPE-CONNECTOR: Id%0$Dn%FREESCALE.MAIL.ONMICROSOFT.COM$RO%1$TLS%0$FQDN%$TlsDn% Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It's a bug that writing to the platform data directly, for it should be constant. So just copy it before writing. Signed-off-by: Xiubo Li --- Resend this patch. sound/soc/generic/simple-card.c | 40 +++++++++++++++++++++------------------- 1 file changed, 21 insertions(+), 19 deletions(-) diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 5528dd6..53395f5 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -9,9 +9,10 @@ * published by the Free Software Foundation. */ #include +#include #include #include -#include +#include #include static int __asoc_simple_card_dai_init(struct snd_soc_dai *dai, @@ -190,36 +191,37 @@ static int asoc_simple_card_probe(struct platform_device *pdev) struct device_node *np = pdev->dev.of_node; struct device_node *of_cpu, *of_codec, *of_platform; struct device *dev = &pdev->dev; + int ret; cinfo = NULL; of_cpu = NULL; of_codec = NULL; of_platform = NULL; + + cinfo = devm_kzalloc(dev, sizeof(*cinfo), GFP_KERNEL); + if (!cinfo) + return -ENOMEM; + if (np && of_device_is_available(np)) { - cinfo = devm_kzalloc(dev, sizeof(*cinfo), GFP_KERNEL); - if (cinfo) { - int ret; - cinfo->snd_card.dev = &pdev->dev; - ret = asoc_simple_card_parse_of(np, cinfo, dev, - &of_cpu, - &of_codec, - &of_platform); - if (ret < 0) { - if (ret != -EPROBE_DEFER) - dev_err(dev, "parse error %d\n", ret); - return ret; - } - } else { - return -ENOMEM; + cinfo->snd_card.dev = dev; + + ret = asoc_simple_card_parse_of(np, cinfo, dev, + &of_cpu, + &of_codec, + &of_platform); + if (ret < 0) { + if (ret != -EPROBE_DEFER) + dev_err(dev, "parse error %d\n", ret); + return ret; } } else { - cinfo = pdev->dev.platform_data; - if (!cinfo) { + if (!dev->platform_data) { dev_err(dev, "no info for asoc-simple-card\n"); return -EINVAL; } - cinfo->snd_card.dev = &pdev->dev; + memcpy(cinfo, dev->platform_data, sizeof(*cinfo)); + cinfo->snd_card.dev = dev; } if (!cinfo->name || -- 1.8.4