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=-13.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 30DDFC4727C for ; Tue, 29 Sep 2020 12:24:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D6B242076A for ; Tue, 29 Sep 2020 12:24:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1601382275; bh=hmulrnIkEYI8JDSnMLlamNVyn1HLJuvqeL0H9PVOlVc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=1Iid+s6Ag/10R0GOf5tJFIKQdD3b6xcyo4etoRHJzA1mHJ8MeRHl6EyRaPREJpfc5 BthS+v+Q6WBZwF27yI4t1dFBS+rCedDw5LIGBFqUCxuhyMZGWVcVS9ct9dLLXlL0OB pnttLBaJVLDAp37eyz7YXAtYt19K/q03BKJkSm2Y= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732281AbgI2MYe (ORCPT ); Tue, 29 Sep 2020 08:24:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:49122 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729766AbgI2LfJ (ORCPT ); Tue, 29 Sep 2020 07:35:09 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (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 C6B2D23C3F; Tue, 29 Sep 2020 11:28:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1601378901; bh=hmulrnIkEYI8JDSnMLlamNVyn1HLJuvqeL0H9PVOlVc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=2F/nGv/UcepCrsbklJFhAzfWggZqRJ7+fYoB9cX5Dq07+hCgGKGrqbL9VOoLhAs1x uKGIOGohcoTya3reAHWvs3VqaYVCHQ5lx+n6z7wWtCou/KWZwZ+QxqYnO94gi4US7E guuZhUcPcSUhs5casm39t9u7Ovvp7/OdMHXnzJMI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Xie XiuQi , Alexander Shishkin , Hongbo Yao , Jiri Olsa , Li Bin , Mark Rutland , Namhyung Kim , Arnaldo Carvalho de Melo , Sasha Levin Subject: [PATCH 4.19 181/245] perf util: Fix memory leak of prefix_if_not_in Date: Tue, 29 Sep 2020 13:00:32 +0200 Message-Id: <20200929105955.780723580@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200929105946.978650816@linuxfoundation.org> References: <20200929105946.978650816@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: stable@vger.kernel.org From: Xie XiuQi [ Upstream commit 07e9a6f538cbeecaf5c55b6f2991416f873cdcbd ] Need to free "str" before return when asprintf() failed to avoid memory leak. Signed-off-by: Xie XiuQi Cc: Alexander Shishkin Cc: Hongbo Yao Cc: Jiri Olsa Cc: Li Bin Cc: Mark Rutland Cc: Namhyung Kim Link: http://lore.kernel.org/lkml/20200521133218.30150-4-liwei391@huawei.com Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin --- tools/perf/util/sort.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index 46daa22b86e3b..85ff4f68adc00 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -2690,7 +2690,7 @@ static char *prefix_if_not_in(const char *pre, char *str) return str; if (asprintf(&n, "%s,%s", pre, str) < 0) - return NULL; + n = NULL; free(str); return n; -- 2.25.1