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 8EDFFC3A59D for ; Fri, 16 Aug 2019 20:18:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 62EB82171F for ; Fri, 16 Aug 2019 20:18:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565986699; bh=X+v0IzboznOsWtVeOljDjZZS7BTG2W3JVT6DCyi3Z5k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=PuIJ1QxZILJTy6xzQUFf/WfS/R2XGhEm7/oXflSaoXN28UuddmT9KKn/X0gABhBMK rGMzqCH3MBYIPdbC+T5kYHUBvE975gXe1quB7iiclo/0Vs7g1opiao3ieyfmE5g+Dt PTcrmZd52075XjeWhZ8MawTWwrJwv3zgX/6K33cs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727921AbfHPUSR (ORCPT ); Fri, 16 Aug 2019 16:18:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:59090 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727885AbfHPUSO (ORCPT ); Fri, 16 Aug 2019 16:18:14 -0400 Received: from quaco.ghostprotocols.net (unknown [179.182.221.173]) (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 729E721721; Fri, 16 Aug 2019 20:18:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565986693; bh=X+v0IzboznOsWtVeOljDjZZS7BTG2W3JVT6DCyi3Z5k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=2tUCRzd+E4+0bBwuPUuWBO3UX1E13X4t8+cCv2eYg2IprWjo7beWWJA0ff9qKxQZL //WrPBYeFH9ETPLiM3ALeMIOP2zjIpWe3bWFwZGoZjlDRW4dwk70ejwL2npkSxOsSH xfXBdeOTM58RTeCIwXEGfMRrHQbs/kre09fSasTU= From: Arnaldo Carvalho de Melo To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, John Keeping , Alexander Shishkin , Konstantin Khlebnikov , Peter Zijlstra , Arnaldo Carvalho de Melo Subject: [PATCH 15/17] perf map: Use zalloc for map_groups Date: Fri, 16 Aug 2019 17:16:51 -0300 Message-Id: <20190816201653.19332-16-acme@kernel.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190816201653.19332-1-acme@kernel.org> References: <20190816201653.19332-1-acme@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: John Keeping 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); -- 2.21.0