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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 E8EA9CA9EAB for ; Fri, 18 Oct 2019 22:17:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B128521852 for ; Fri, 18 Oct 2019 22:17:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571437076; bh=2wCmBqoCUtQczstuSu+E79NktzrLM54hbOybIdGj5sM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=fvRu6wWEdrXjcoxQjNIf1/mNmynhUPQ5UkjlRy2sPmvJXHeEV1uhiYsYQZr3GYlNY efBG0u/Azb/mjwpqu/iX8J3ZO+V1m/jb0cVHnoz1e43teke+XXP1Qab3KdTYPpXr0w fPH1NDPpXMdeirKvmBmK35zB1klmjrf5yIDedGiA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733023AbfJRWHf (ORCPT ); Fri, 18 Oct 2019 18:07:35 -0400 Received: from mail.kernel.org ([198.145.29.99]:39752 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732905AbfJRWHa (ORCPT ); Fri, 18 Oct 2019 18:07:30 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 288C422468; Fri, 18 Oct 2019 22:07:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571436449; bh=2wCmBqoCUtQczstuSu+E79NktzrLM54hbOybIdGj5sM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=E5S0hM185r9EjWnnSCmP5pAUsrDXR0TMVmFvxSwsmgq85j0AXVuS6dplUqr64VZA1 LMMBZ1gPQhy2UWzHJDhBPCkk25MEB/QE89MD8AH0NSqA56wycUurQr1HS385T7s6Lo 479GwDi2MXJkz5QggBKBDChMIVUn2lU/5edlSB+E= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Yunfeng Ye , Will Deacon , Sasha Levin Subject: [PATCH AUTOSEL 4.19 084/100] arm64: armv8_deprecated: Checking return value for memory allocation Date: Fri, 18 Oct 2019 18:05:09 -0400 Message-Id: <20191018220525.9042-84-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191018220525.9042-1-sashal@kernel.org> References: <20191018220525.9042-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore 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