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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D5786CA9EC9 for ; Mon, 4 Nov 2019 22:17:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A0966204EC for ; Mon, 4 Nov 2019 22:17:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572905840; bh=2wCmBqoCUtQczstuSu+E79NktzrLM54hbOybIdGj5sM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ZzwV0bAiYcE+SdgZseIKB3zHyi3U10rQaRkejYUKnXcRjoLMmLCpuZOpVP3md0+Bn 2LNOLFSXmxGExyQwC0LiTEdVyNroUwnAPQ+18Zjuw2JF5jjN4VJdv8i6m0WJCw4PUH v1ZEfVTldC9/UbdvWatxbkLPMPyAZglOI9n/I9co= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389400AbfKDWCt (ORCPT ); Mon, 4 Nov 2019 17:02:49 -0500 Received: from mail.kernel.org ([198.145.29.99]:32942 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388532AbfKDWCp (ORCPT ); Mon, 4 Nov 2019 17:02:45 -0500 Received: from localhost (6.204-14-84.ripe.coltfrance.com [84.14.204.6]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8BCF520650; Mon, 4 Nov 2019 22:02:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572904965; bh=2wCmBqoCUtQczstuSu+E79NktzrLM54hbOybIdGj5sM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DrH/liCp+pYwYsY0inVkZspEPCgEEBXIbOy0FjtzT+Z6qAToJ4adq5xBuunp5zQYc Gkqp7BmeBU6nRDIHXfvuAf2nMeo3AxU68lfwZQPktvqmqZdUVDtGjegWPSfycALleM x93W+ZRc/XXJ2g9hke8wGU42VYWPoSh/dLZyTQUY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Yunfeng Ye , Will Deacon , Sasha Levin Subject: [PATCH 4.19 089/149] arm64: armv8_deprecated: Checking return value for memory allocation Date: Mon, 4 Nov 2019 22:44:42 +0100 Message-Id: <20191104212142.735331194@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191104212126.090054740@linuxfoundation.org> References: <20191104212126.090054740@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yunfeng Ye [ Upstream commit 3e7c93bd04edfb0cae7dad1215544c9350254b8f ] There are no return value checking when using kzalloc() and kcalloc() for memory allocation. so add it. Signed-off-by: Yunfeng Ye Signed-off-by: Will Deacon Signed-off-by: Sasha Levin --- arch/arm64/kernel/armv8_deprecated.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/kernel/armv8_deprecated.c b/arch/arm64/kernel/armv8_deprecated.c index 92be1d12d5908..39dc98dd78ebf 100644 --- a/arch/arm64/kernel/armv8_deprecated.c +++ b/arch/arm64/kernel/armv8_deprecated.c @@ -177,6 +177,9 @@ static void __init register_insn_emulation(struct insn_emulation_ops *ops) struct insn_emulation *insn; insn = kzalloc(sizeof(*insn), GFP_KERNEL); + if (!insn) + return; + insn->ops = ops; insn->min = INSN_UNDEF; @@ -236,6 +239,8 @@ static void __init register_insn_emulation_sysctl(void) insns_sysctl = kcalloc(nr_insn_emulated + 1, sizeof(*sysctl), GFP_KERNEL); + if (!insns_sysctl) + return; raw_spin_lock_irqsave(&insn_emulation_lock, flags); list_for_each_entry(insn, &insn_emulation, node) { -- 2.20.1