From patchwork Wed Dec 15 03:15:50 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiasheng Jiang X-Patchwork-Id: 524332 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 49AF5C433EF for ; Wed, 15 Dec 2021 03:17:16 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 9FB911F60; Wed, 15 Dec 2021 04:16:24 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 9FB911F60 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1639538234; bh=dOpfQ6BFNNhnqQyopfZ76fGaU7J2HuwlEdMk5p6c9Wg=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=W2sh6dgU1HfAf8JTKCC/6IUxn3YAYSzvlxsLL5UxYtGp6aaBYmmjTs7Tzb/LIE9Ep JycJXC7WSeVJCiVM+t150rrJeWNG3SmqoLZyVOxYqsad6RnResyf6OPsrX4HBGQiRv SgO3ne0JdG8hEU02XVpwp0xwat8rcv3p01iU3qDM= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 39CEDF80229; Wed, 15 Dec 2021 04:16:24 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 10746F800E0; Wed, 15 Dec 2021 04:16:23 +0100 (CET) Received: from cstnet.cn (smtp25.cstnet.cn [159.226.251.25]) by alsa1.perex.cz (Postfix) with ESMTP id 87639F800E0 for ; Wed, 15 Dec 2021 04:16:09 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 87639F800E0 Received: from localhost.localdomain (unknown [124.16.138.126]) by APP-05 (Coremail) with SMTP id zQCowACXcUDxXblhXTEtAw--.46852S2; Wed, 15 Dec 2021 11:16:03 +0800 (CST) From: Jiasheng Jiang To: oder_chiou@realtek.com, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com Subject: [PATCH] ASoC: rt5663: Handle device_property_read_u32_array error codes Date: Wed, 15 Dec 2021 11:15:50 +0800 Message-Id: <20211215031550.70702-1-jiasheng@iscas.ac.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CM-TRANSID: zQCowACXcUDxXblhXTEtAw--.46852S2 X-Coremail-Antispam: 1UD129KBjvJXoW7CF1rXry5ur1xAF43CrykKrg_yoW8Cryxpr s8CFZYya4Yqr45Ca13Jw4DW3WxKw4UJFWxJrW8G3sY9rn8Jr15uFWqkFyayayrKrykuF17 XFWIgF4xGF45Gw7anT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUyG14x267AKxVW8JVW5JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02 1l84ACjcxK6xIIjxv20xvE14v26w1j6s0DM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4U JVWxJr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gc CE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E 2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJV W8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1l42xK82IYc2Ij64vI r41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8Gjc xK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0xvE2Ix0 cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4UMIIF0xvE42xK8V AvwI8IcIk0rVWrZr1j6s0DMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7Cj xVAFwI0_Jr0_GrUvcSsGvfC2KfnxnUUI43ZEXa7VUbXdbUUUUUU== X-Originating-IP: [124.16.138.126] X-CM-SenderInfo: pmld2xxhqjqxpvfd2hldfou0/ Cc: alsa-devel@alsa-project.org, Jiasheng Jiang , linux-kernel@vger.kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" The return value of device_property_read_u32_array() is not always 0. To catch the exception in case that devm_kzalloc failed and the rt5663->imp_table was NULL, which caused the failure of device_property_read_u32_array. Fixes: 450f0f6a8fb4 ("ASoC: rt5663: Add the manual offset field to compensate the DC offset") Signed-off-by: Jiasheng Jiang --- sound/soc/codecs/rt5663.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/sound/soc/codecs/rt5663.c b/sound/soc/codecs/rt5663.c index be9fc58ff681..ee09ccd448dc 100644 --- a/sound/soc/codecs/rt5663.c +++ b/sound/soc/codecs/rt5663.c @@ -3461,6 +3461,7 @@ static void rt5663_calibrate(struct rt5663_priv *rt5663) static int rt5663_parse_dp(struct rt5663_priv *rt5663, struct device *dev) { int table_size; + int ret; device_property_read_u32(dev, "realtek,dc_offset_l_manual", &rt5663->pdata.dc_offset_l_manual); @@ -3477,9 +3478,11 @@ static int rt5663_parse_dp(struct rt5663_priv *rt5663, struct device *dev) table_size = sizeof(struct impedance_mapping_table) * rt5663->pdata.impedance_sensing_num; rt5663->imp_table = devm_kzalloc(dev, table_size, GFP_KERNEL); - device_property_read_u32_array(dev, + ret = device_property_read_u32_array(dev, "realtek,impedance_sensing_table", (u32 *)rt5663->imp_table, table_size); + if (ret) + return ret; } return 0; @@ -3504,8 +3507,11 @@ static int rt5663_i2c_probe(struct i2c_client *i2c, if (pdata) rt5663->pdata = *pdata; - else - rt5663_parse_dp(rt5663, &i2c->dev); + else { + ret = rt5663_parse_dp(rt5663, &i2c->dev); + if (ret) + return ret; + } for (i = 0; i < ARRAY_SIZE(rt5663->supplies); i++) rt5663->supplies[i].supply = rt5663_supply_names[i];