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=-11.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 B0822C3A59D for ; Fri, 16 Aug 2019 20:59:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7C8222133F for ; Fri, 16 Aug 2019 20:59:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=zytor.com header.i=@zytor.com header.b="bKrxAH1P" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727763AbfHPU7z (ORCPT ); Fri, 16 Aug 2019 16:59:55 -0400 Received: from terminus.zytor.com ([198.137.202.136]:49817 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727548AbfHPU7z (ORCPT ); Fri, 16 Aug 2019 16:59:55 -0400 Received: from terminus.zytor.com (localhost [127.0.0.1]) by terminus.zytor.com (8.15.2/8.15.2) with ESMTPS id x7GKxaCS2960506 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Fri, 16 Aug 2019 13:59:36 -0700 DKIM-Filter: OpenDKIM Filter v2.11.0 terminus.zytor.com x7GKxaCS2960506 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zytor.com; s=2019071901; t=1565989177; bh=nzabgyf9hCpfYaccqHLaTyHGWhAPRe7zkXA9FOIeOkA=; h=Date:From:Cc:Reply-To:In-Reply-To:References:To:Subject:From; b=bKrxAH1P8rzRj/VQCpLIFJ/pGVNUk64jY2T5B14KKOCtUsY9MblhlEHw14sqXFEqz Fv+B9n8xm9V6e36z6Cl2rlugyw7VV55DcNKvxzTn7LtEITyxNUjHboeRh+K7dQe8Cr w5Lx0Fu1p3uECZM1btoEcUzE4YmlOYjAO5pPrwg2LtLcSGVOwEYjOqY1xmg7pnMgwO IuGjsJzHQgeGano8KY2yxMKkZ8p8yZ559VCnrVKiOMbZKtSkaVGmtircqVUHqRZGNf OdQfAL/E02aTsTodXIYVZ/gd0lDpKs3xEbQuYsPXdn/HA3HjCY/eiWUi7Br6cyFaD1 yTpOreDqOXnfQ== Received: (from tipbot@localhost) by terminus.zytor.com (8.15.2/8.15.2/Submit) id x7GKxaNB2960503; Fri, 16 Aug 2019 13:59:36 -0700 Date: Fri, 16 Aug 2019 13:59:36 -0700 X-Authentication-Warning: terminus.zytor.com: tipbot set sender to tipbot@zytor.com using -f From: tip-bot for John Keeping Message-ID: Cc: tglx@linutronix.de, peterz@infradead.org, hpa@zytor.com, jolsa@kernel.org, alexander.shishkin@linux.intel.com, linux-kernel@vger.kernel.org, namhyung@kernel.org, mingo@kernel.org, khlebnikov@yandex-team.ru, john@metanate.com, acme@redhat.com Reply-To: tglx@linutronix.de, peterz@infradead.org, hpa@zytor.com, jolsa@kernel.org, alexander.shishkin@linux.intel.com, linux-kernel@vger.kernel.org, namhyung@kernel.org, mingo@kernel.org, khlebnikov@yandex-team.ru, john@metanate.com, acme@redhat.com In-Reply-To: <20190815100146.28842-1-john@metanate.com> References: <20190815100146.28842-1-john@metanate.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf map: Use zalloc for map_groups Git-Commit-ID: ab6cd0e5276e24403751e0b3b8ed807738a8571f X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: ab6cd0e5276e24403751e0b3b8ed807738a8571f Gitweb: https://git.kernel.org/tip/ab6cd0e5276e24403751e0b3b8ed807738a8571f Author: John Keeping AuthorDate: Thu, 15 Aug 2019 11:01:44 +0100 Committer: Arnaldo Carvalho de Melo CommitDate: Fri, 16 Aug 2019 12:25:23 -0300 perf map: Use zalloc for map_groups In the next commit we will add new fields to map_groups and we need these to be null if no value is assigned. The simplest way to achieve this is to request zeroed memory from the allocator. Signed-off-by: John Keeping Reviewed-by: Jiri Olsa Cc: Alexander Shishkin Cc: Konstantin Khlebnikov Cc: Namhyung Kim Cc: Peter Zijlstra Cc: john keeping Link: http://lkml.kernel.org/r/20190815100146.28842-1-john@metanate.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/map.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 668410b1d426..44b556812e4b 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -636,7 +636,7 @@ bool map_groups__empty(struct map_groups *mg) struct map_groups *map_groups__new(struct machine *machine) { - struct map_groups *mg = malloc(sizeof(*mg)); + struct map_groups *mg = zalloc(sizeof(*mg)); if (mg != NULL) map_groups__init(mg, machine);