From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935785Ab3BTPco (ORCPT ); Wed, 20 Feb 2013 10:32:44 -0500 Received: from mail.skyhub.de ([78.46.96.112]:51002 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935363Ab3BTPci (ORCPT ); Wed, 20 Feb 2013 10:32:38 -0500 From: Borislav Petkov To: LKML Cc: Arnaldo Carvalho de Melo , Steven Rostedt , Ingo Molnar , Borislav Petkov Subject: [PATCH 6/7] perf: Do not allow empty debugfs-dir option Date: Wed, 20 Feb 2013 16:32:32 +0100 Message-Id: <1361374353-30385-7-git-send-email-bp@alien8.de> X-Mailer: git-send-email 1.8.1.3.535.ga923c31 In-Reply-To: <1361374353-30385-1-git-send-email-bp@alien8.de> References: <1361374353-30385-1-git-send-email-bp@alien8.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Borislav Petkov Catch empty --debugfs-dir= option and exit early. Signed-off-by: Borislav Petkov --- tools/perf/perf.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/perf/perf.c b/tools/perf/perf.c index f6ba7b73f40e..25f108480ac6 100644 --- a/tools/perf/perf.c +++ b/tools/perf/perf.c @@ -199,6 +199,10 @@ static int handle_options(const char ***argv, int *argc, int *envchanged) (*argv)++; (*argc)--; } else if (!prefixcmp(cmd, CMD_DEBUGFS_DIR)) { + if (strlen(cmd) == strlen(CMD_DEBUGFS_DIR)) { + fprintf(stderr, "No directory given for --debugfs-dir.\n"); + usage(perf_usage_string); + } perf_debugfs_set_path(cmd + strlen(CMD_DEBUGFS_DIR)); fprintf(stderr, "dir: %s\n", debugfs_mountpoint); if (envchanged) -- 1.8.1.3.535.ga923c31