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=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 22884C43611 for ; Mon, 17 May 2021 16:05:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C562A60FF3 for ; Mon, 17 May 2021 16:05:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346220AbhEQQE7 (ORCPT ); Mon, 17 May 2021 12:04:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:52062 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243746AbhEQPoB (ORCPT ); Mon, 17 May 2021 11:44:01 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 056A36135D; Mon, 17 May 2021 14:43:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1621262584; bh=zvP5z3xHUUP8GpW6ufPFOYxcKv8Sv1SSyqT4M5368b8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=npm/zE1wONcONbeAjSV9wQlNQnjiCIMlcliFskEDxgOwrNd5BPspXdCtAcUs5KRfh jtE74VAE/Esegq7+U/IWp79vAeHlaYQ3dVOcoyKgsirI3r6sKiHkjhDpHalfSr2qPP aM0IoNqexBsZ2ieLZuKURMzXbQc/mAE43KDb7W6I= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dan Williams , Boris Ostrovsky , Juergen Gross , Stefano Stabellini , Andrew Morton , Linus Torvalds , Sasha Levin Subject: [PATCH 5.10 219/289] xen/unpopulated-alloc: consolidate pgmap manipulation Date: Mon, 17 May 2021 16:02:24 +0200 Message-Id: <20210517140312.516794815@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210517140305.140529752@linuxfoundation.org> References: <20210517140305.140529752@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dan Williams [ Upstream commit 3a250629d7325f27b278dad1aaf44eab00090e76 ] Cleanup fill_list() to keep all the pgmap manipulations in a single location of the function. Update the exit unwind path accordingly. Link: http://lore.kernel.org/r/6186fa28-d123-12db-6171-a75cb6e615a5@oracle.com Link: https://lkml.kernel.org/r/160272253442.3136502.16683842453317773487.stgit@dwillia2-desk3.amr.corp.intel.com Signed-off-by: Dan Williams Reported-by: Boris Ostrovsky Cc: Juergen Gross Cc: Stefano Stabellini Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Sasha Levin --- drivers/xen/unpopulated-alloc.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/xen/unpopulated-alloc.c b/drivers/xen/unpopulated-alloc.c index 7762c1bb23cb..e64e6befc63b 100644 --- a/drivers/xen/unpopulated-alloc.c +++ b/drivers/xen/unpopulated-alloc.c @@ -27,11 +27,6 @@ static int fill_list(unsigned int nr_pages) if (!res) return -ENOMEM; - pgmap = kzalloc(sizeof(*pgmap), GFP_KERNEL); - if (!pgmap) - goto err_pgmap; - - pgmap->type = MEMORY_DEVICE_GENERIC; res->name = "Xen scratch"; res->flags = IORESOURCE_MEM | IORESOURCE_BUSY; @@ -43,6 +38,11 @@ static int fill_list(unsigned int nr_pages) goto err_resource; } + pgmap = kzalloc(sizeof(*pgmap), GFP_KERNEL); + if (!pgmap) + goto err_pgmap; + + pgmap->type = MEMORY_DEVICE_GENERIC; pgmap->range = (struct range) { .start = res->start, .end = res->end, @@ -92,10 +92,10 @@ static int fill_list(unsigned int nr_pages) return 0; err_memremap: - release_resource(res); -err_resource: kfree(pgmap); err_pgmap: + release_resource(res); +err_resource: kfree(res); return ret; } -- 2.30.2