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-rw-r--r--tools/perf/util/probe-finder.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 1cab05a3831e..2be10fb27172 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -654,6 +654,7 @@ static int convert_to_trace_point(Dwarf_Die *sp_die, Dwfl_Module *mod,
static int call_probe_finder(Dwarf_Die *sc_die, struct probe_finder *pf)
{
Dwarf_Attribute fb_attr;
+ Dwarf_Frame *frame = NULL;
size_t nops;
int ret;
@@ -683,26 +684,24 @@ static int call_probe_finder(Dwarf_Die *sc_die, struct probe_finder *pf)
ret = dwarf_getlocation_addr(&fb_attr, pf->addr, &pf->fb_ops, &nops, 1);
if (ret <= 0 || nops == 0) {
pf->fb_ops = NULL;
- ret = 0;
#if _ELFUTILS_PREREQ(0, 142)
} else if (nops == 1 && pf->fb_ops[0].atom == DW_OP_call_frame_cfa &&
pf->cfi != NULL) {
- Dwarf_Frame *frame = NULL;
if (dwarf_cfi_addrframe(pf->cfi, pf->addr, &frame) != 0 ||
dwarf_frame_cfa(frame, &pf->fb_ops, &nops) != 0) {
pr_warning("Failed to get call frame on 0x%jx\n",
(uintmax_t)pf->addr);
- ret = -ENOENT;
+ free(frame);
+ return -ENOENT;
}
- free(frame);
#endif
}
/* Call finder's callback handler */
- if (ret >= 0)
- ret = pf->callback(sc_die, pf);
+ ret = pf->callback(sc_die, pf);
- /* *pf->fb_ops will be cached in libdw. Don't free it. */
+ /* Since *pf->fb_ops can be a part of frame. we should free it here. */
+ free(frame);
pf->fb_ops = NULL;
return ret;