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,USER_AGENT_GIT autolearn=unavailable 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 E6C63CA9EC9 for ; Mon, 4 Nov 2019 22:06:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B5304214D8 for ; Mon, 4 Nov 2019 22:06:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572905208; bh=Odrr+zmNdI6AN052yBovEOwzEQZbeXlYtg8noSwp/dI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=o+hpVTcTlQPWhn2mLMI6HCkiOuJtwf5r+kxBoFCRCQUSiKJEZk3iXXhrfgZ/H4qeN uvAimjv5iKxM/v9wTx+ejEyY/tax1Gvyidv+qFPzzGcqRRHyl3ul3OhD+Ns5RfHzon JahZ2NMflUltw3jAXA4q0I5UhisAsykKGeN+IBMs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388606AbfKDWGr (ORCPT ); Mon, 4 Nov 2019 17:06:47 -0500 Received: from mail.kernel.org ([198.145.29.99]:38622 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389987AbfKDWGi (ORCPT ); Mon, 4 Nov 2019 17:06:38 -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 9B0AB217F4; Mon, 4 Nov 2019 22:06:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572905198; bh=Odrr+zmNdI6AN052yBovEOwzEQZbeXlYtg8noSwp/dI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fBEGQbzvmAC3VSHCB0j6IlYYqYKWTNmU1B/WpkVzQ16RG7TC8wLiigmJzLg9nukno E8jpTDEHdPiPpjrLxoLb9i/I4Iac/DdXYOgEmy6AYcyR5JqK1QhzPMEbOTKSle/y5r ZJ3rX0LujiAXDoXKIY7pRm/JXUJCL/pQ/G33OorU= 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 5.3 063/163] arm64: armv8_deprecated: Checking return value for memory allocation Date: Mon, 4 Nov 2019 22:44:13 +0100 Message-Id: <20191104212144.594404107@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191104212140.046021995@linuxfoundation.org> References: <20191104212140.046021995@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 2ec09debc2bb1..ca158be21f833 100644 --- a/arch/arm64/kernel/armv8_deprecated.c +++ b/arch/arm64/kernel/armv8_deprecated.c @@ -174,6 +174,9 @@ 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; @@ -233,6 +236,8 @@ 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