From patchwork Thu Apr 14 13:08:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 562385 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 B692DC35280 for ; Thu, 14 Apr 2022 13:48:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343857AbiDNNtL (ORCPT ); Thu, 14 Apr 2022 09:49:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36006 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343979AbiDNNjc (ORCPT ); Thu, 14 Apr 2022 09:39:32 -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 77DCB38DA4; Thu, 14 Apr 2022 06:36:14 -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 1377A61D70; Thu, 14 Apr 2022 13:36:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1CFADC385A1; Thu, 14 Apr 2022 13:36:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649943373; bh=a1FB1C4oh8JpBDRnXblNf0XsxNYuOI3qecPvB/K0FLk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WtO2dkxZyucbP4T6EL95exxImrQxH+OITXqLe77IsZ2f1SnOtj51zt4x4BGn8mudu Bp5KO6CNekeuFIVkuGzJ8Rhv3YIEJ55QEOuNwJzy4ajnOXAws/zww9TwEm9cW5kYQY cyR9i+ApvqMe68rS/DC+GudNCgmigXKvvJyrxcs4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, TOTE Robot , Jia-Ju Bai , Mark Brown , Sasha Levin Subject: [PATCH 5.4 130/475] ASoC: rt5663: check the return value of devm_kzalloc() in rt5663_parse_dp() Date: Thu, 14 Apr 2022 15:08:35 +0200 Message-Id: <20220414110858.787873144@linuxfoundation.org> X-Mailer: git-send-email 2.35.2 In-Reply-To: <20220414110855.141582785@linuxfoundation.org> References: <20220414110855.141582785@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Jia-Ju Bai [ Upstream commit 4d06f92f38b799295ae22c98be7a20cac3e2a1a7 ] The function devm_kzalloc() in rt5663_parse_dp() can fail, so its return value should be checked. Fixes: 457c25efc592 ("ASoC: rt5663: Add the function of impedance sensing") Reported-by: TOTE Robot Signed-off-by: Jia-Ju Bai Link: https://lore.kernel.org/r/20220225131030.27248-1-baijiaju1990@gmail.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/codecs/rt5663.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/soc/codecs/rt5663.c b/sound/soc/codecs/rt5663.c index 3610be1590fc..19e2f622718d 100644 --- a/sound/soc/codecs/rt5663.c +++ b/sound/soc/codecs/rt5663.c @@ -3478,6 +3478,8 @@ 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); + if (!rt5663->imp_table) + return -ENOMEM; ret = device_property_read_u32_array(dev, "realtek,impedance_sensing_table", (u32 *)rt5663->imp_table, table_size);