diff options
Diffstat (limited to 'tools/perf/util/probe-finder.c')
| -rw-r--r-- | tools/perf/util/probe-finder.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index 8b9e274f940c..d7c2e90ab4ce 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -1255,14 +1255,11 @@ int debuginfo__find_trace_events(struct debuginfo *dbg, return (ret < 0) ? ret : tf.ntevs; } -#define MAX_VAR_LEN 64 - /* Collect available variables in this scope */ static int collect_variables_cb(Dwarf_Die *die_mem, void *data) { struct available_var_finder *af = data; struct variable_list *vl; - char buf[MAX_VAR_LEN]; int tag, ret; vl = &af->vls[af->nvls - 1]; @@ -1274,10 +1271,16 @@ static int collect_variables_cb(Dwarf_Die *die_mem, void *data) af->pf.fb_ops, &af->pf.sp_die, NULL); if (ret == 0) { - ret = die_get_varname(die_mem, buf, MAX_VAR_LEN); - pr_debug2("Add new var: %s\n", buf); - if (ret > 0) - strlist__add(vl->vars, buf); + struct strbuf buf; + + strbuf_init(&buf, 64); + ret = die_get_varname(die_mem, &buf); + pr_debug2("Add new var: %s\n", buf.buf); + if (ret == 0) { + strlist__add(vl->vars, + strbuf_detach(&buf, NULL)); + } + strbuf_release(&buf); } } |