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perf parse: Add a deep delete for parse event terms

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Add a parse_events_term deep delete function so that owned strings and
arrays are freed.

Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Yonghong Song <yhs@fb.com>
Cc: bpf@vger.kernel.org
Cc: clang-built-linux@googlegroups.com
Cc: netdev@vger.kernel.org
Link: http://lore.kernel.org/lkml/20191030223448.12930-10-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers
2019-10-30 15:34:47 -07:00
committed by Arnaldo Carvalho de Melo
parent 38f2c4226e
commit 1dc925568f
4 changed files with 17 additions and 14 deletions
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12
tools/perf/util/parse-events.y
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@@ -49,14 +49,6 @@ static void free_list_evsel(struct list_head* list_evsel)
free(list_evsel);
}
static void free_term(struct parse_events_term *term)
{
if (term->type_val == PARSE_EVENTS__TERM_TYPE_STR)
free(term->val.str);
zfree(&term->array.ranges);
free(term);
}
static void inc_group_count(struct list_head *list,
struct parse_events_state *parse_state)
{
@@ -99,7 +91,7 @@ static void inc_group_count(struct list_head *list,
%type <str> PE_DRV_CFG_TERM
%destructor { free ($$); } <str>
%type <term> event_term
%destructor { free_term ($$); } <term>
%destructor { parse_events_term__delete ($$); } <term>
%type <list_terms> event_config
%type <list_terms> opt_event_config
%type <list_terms> opt_pmu_config
@@ -694,7 +686,7 @@ event_config ',' event_term
struct parse_events_term *term = $3;
if (!head) {
free_term(term);
parse_events_term__delete(term);
YYABORT;
}
list_add_tail(&term->list, head);