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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS 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 2E786C43387 for ; Wed, 16 Jan 2019 17:22:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F2E5120578 for ; Wed, 16 Jan 2019 17:21:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405888AbfAPRVw (ORCPT ); Wed, 16 Jan 2019 12:21:52 -0500 Received: from shards.monkeyblade.net ([23.128.96.9]:41306 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2405842AbfAPRVv (ORCPT ); Wed, 16 Jan 2019 12:21:51 -0500 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::bf5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 58B4C14B56D28; Wed, 16 Jan 2019 09:21:48 -0800 (PST) Date: Wed, 16 Jan 2019 09:21:47 -0800 (PST) Message-Id: <20190116.092147.2222967221278304230.davem@davemloft.net> To: rppt@linux.ibm.com Cc: linux-mm@kvack.org, akpm@linux-foundation.org, catalin.marinas@arm.com, hch@lst.de, dennis@kernel.org, geert@linux-m68k.org, green.hu@gmail.com, gregkh@linuxfoundation.org, gxt@pku.edu.cn, guoren@kernel.org, heiko.carstens@de.ibm.com, msalter@redhat.com, mattst88@gmail.com, jcmvbkbc@gmail.com, mpe@ellerman.id.au, monstr@monstr.eu, paul.burton@mips.com, pmladek@suse.com, dalias@libc.org, richard@nod.at, robh+dt@kernel.org, linux@armlinux.org.uk, shorne@gmail.com, tony.luck@intel.com, vgupta@synopsys.com, ysato@users.sourceforge.jp, devicetree@vger.kernel.org, kasan-dev@googlegroups.com, linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-c6x-dev@linux-c6x.org, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-um@lists.infradead.org, linux-usb@vger.kernel.org, linux-xtensa@linux-xtensa.org, linuxppc-dev@lists.ozlabs.org, openrisc@lists.librecores.org, sparclinux@vger.kernel.org, uclinux-h8-devel@lists.sourceforge.jp, x86@kernel.org, xen-devel@lists.xenproject.org Subject: Re: [PATCH 15/21] sparc: add checks for the return value of memblock_alloc*() From: David Miller In-Reply-To: <1547646261-32535-16-git-send-email-rppt@linux.ibm.com> References: <1547646261-32535-1-git-send-email-rppt@linux.ibm.com> <1547646261-32535-16-git-send-email-rppt@linux.ibm.com> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Wed, 16 Jan 2019 09:21:50 -0800 (PST) Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org From: Mike Rapoport Date: Wed, 16 Jan 2019 15:44:15 +0200 > Add panic() calls if memblock_alloc*() returns NULL. > > Most of the changes are simply addition of > > if(!ptr) > panic(); > > statements after the calls to memblock_alloc*() variants. > > Exceptions are pcpu_populate_pte() and kernel_map_range() that were > slightly refactored to accommodate the change. > > Signed-off-by: Mike Rapoport Acked-by: David S. Miller