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perf tools: Use zfree to help detect use after free bugs

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Several areas already used this technique, so do some audit to
consistently use it elsewhere.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-9sbere0kkplwe45ak6rk4a1f@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2013-12-27 16:55:14 -03:00
parent 046625231a
commit 74cf249d5c
29 changed files with 83 additions and 80 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
tools/perf/util/parse-events.c
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@@ -204,7 +204,7 @@ struct tracepoint_path *tracepoint_id_to_path(u64 config)
}
path->name = malloc(MAX_EVENT_LENGTH);
if (!path->name) {
free(path->system);
zfree(&path->system);
free(path);
return NULL;
}
@@ -236,8 +236,8 @@ struct tracepoint_path *tracepoint_name_to_path(const char *name)
path->name = strdup(str+1);
if (path->system == NULL || path->name == NULL) {
free(path->system);
free(path->name);
zfree(&path->system);
zfree(&path->name);
free(path);
path = NULL;
}
@@ -917,7 +917,7 @@ int parse_events_terms(struct list_head *terms, const char *str)
ret = parse_events__scanner(str, &data, PE_START_TERMS);
if (!ret) {
list_splice(data.terms, terms);
free(data.terms);
zfree(&data.terms);
return 0;
}