Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753155Ab3F0Hth (ORCPT ); Thu, 27 Jun 2013 03:49:37 -0400 Received: from mga11.intel.com ([192.55.52.93]:58424 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753093Ab3F0Htf (ORCPT ); Thu, 27 Jun 2013 03:49:35 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.87,950,1363158000"; d="scan'208";a="361296177" From: Adrian Hunter To: Arnaldo Carvalho de Melo Cc: linux-kernel@vger.kernel.org, David Ahern , Frederic Weisbecker , Jiri Olsa , Mike Galbraith , Namhyung Kim , Paul Mackerras , Peter Zijlstra , Stephane Eranian , Adrian Hunter Subject: [PATCH V2 06/15] perf tools: fix parse_events_terms() freeing local variable on error path Date: Thu, 27 Jun 2013 10:54:58 +0300 Message-Id: <1372319707-13892-7-git-send-email-adrian.hunter@intel.com> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1372319707-13892-1-git-send-email-adrian.hunter@intel.com> References: <1372319707-13892-1-git-send-email-adrian.hunter@intel.com> Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2366 Lines: 65 The list_head is on the stack, so just free the rest of the list. Signed-off-by: Adrian Hunter --- tools/perf/util/parse-events.c | 7 ++++++- tools/perf/util/parse-events.h | 1 + tools/perf/util/pmu.c | 2 +- 3 files changed, 8 insertions(+), 2 deletions(-) diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 995fc25..d9cb055 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -1231,12 +1231,17 @@ int parse_events_term__clone(struct parse_events_term **new, term->val.str, term->val.num); } -void parse_events__free_terms(struct list_head *terms) +void parse_events__free_terms_only(struct list_head *terms) { struct parse_events_term *term, *h; list_for_each_entry_safe(term, h, terms, list) free(term); +} + +void parse_events__free_terms(struct list_head *terms) +{ + parse_events__free_terms_only(terms); free(terms); } diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h index 8a48593..6cb6f32 100644 --- a/tools/perf/util/parse-events.h +++ b/tools/perf/util/parse-events.h @@ -80,6 +80,7 @@ int parse_events_term__sym_hw(struct parse_events_term **term, char *config, unsigned idx); int parse_events_term__clone(struct parse_events_term **new, struct parse_events_term *term); +void parse_events__free_terms_only(struct list_head *terms); void parse_events__free_terms(struct list_head *terms); int parse_events__modifier_event(struct list_head *list, char *str, bool add); int parse_events__modifier_group(struct list_head *list, char *event_mod); diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 4c6f9c4..5dd9e37 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -194,7 +194,7 @@ static int pmu_alias_terms(struct perf_pmu_alias *alias, list_for_each_entry(term, &alias->terms, list) { ret = parse_events_term__clone(&clone, term); if (ret) { - parse_events__free_terms(&list); + parse_events__free_terms_only(&list); return ret; } list_add_tail(&clone->list, &list); -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/