From patchwork Thu Apr 14 13:10:06 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: 562563 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 1A625C433EF for ; Thu, 14 Apr 2022 13:22:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237997AbiDNNZG (ORCPT ); Thu, 14 Apr 2022 09:25:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49920 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244289AbiDNNYc (ORCPT ); Thu, 14 Apr 2022 09:24:32 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 455B59BB97; Thu, 14 Apr 2022 06:19:11 -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 D1EF6617B7; Thu, 14 Apr 2022 13:19:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E5430C385A1; Thu, 14 Apr 2022 13:19:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649942350; bh=90CcWk3nvTTg4VQTv/ZjusTYSRCqC48Ds/ZcOUjIAeM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0HouzmPgrGU3sFfB+/RsydjVG4R1t01patAMJ38gcrUC1HC5QlNQ8U/HIgLZjAh11 5A+8nb1XT6CrQlBxwlYnX4vbojKv1akSZ/+3mM3HQZ74y9ibvgPR9ovkju2monOQWc wGjMHVVYJ8IpUSer4E16bR/K6eeB8brqme6hRGeo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jia-Ju Bai , Krzysztof Kozlowski , Sasha Levin Subject: [PATCH 4.19 103/338] memory: emif: check the pointer temp in get_device_details() Date: Thu, 14 Apr 2022 15:10:06 +0200 Message-Id: <20220414110841.833686008@linuxfoundation.org> X-Mailer: git-send-email 2.35.2 In-Reply-To: <20220414110838.883074566@linuxfoundation.org> References: <20220414110838.883074566@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 5b5ab1bfa1898c6d52936a57c25c5ceba2cb2f87 ] The pointer temp is allocated by devm_kzalloc(), so it should be checked for error handling. Fixes: 7ec944538dde ("memory: emif: add basic infrastructure for EMIF driver") Signed-off-by: Jia-Ju Bai Link: https://lore.kernel.org/r/20220225132552.27894-1-baijiaju1990@gmail.com Signed-off-by: Krzysztof Kozlowski Signed-off-by: Sasha Levin --- drivers/memory/emif.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/memory/emif.c b/drivers/memory/emif.c index 8fd97b1b1efb..45f78b38b0da 100644 --- a/drivers/memory/emif.c +++ b/drivers/memory/emif.c @@ -1425,7 +1425,7 @@ static struct emif_data *__init_or_module get_device_details( temp = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL); dev_info = devm_kzalloc(dev, sizeof(*dev_info), GFP_KERNEL); - if (!emif || !pd || !dev_info) { + if (!emif || !temp || !dev_info) { dev_err(dev, "%s:%d: allocation error\n", __func__, __LINE__); goto error; }