Commit 4bb11d012ab248d0e383008d725be0d26a74fac2 ("perf tools: Add
dso__data_get/put_fd()") has a problem: it uses a undefined variable
'dso' in find_proc_info(), which should be 'map->dso'. The buggy code
piece is not compiled if NO_LIBUNWIND_DEBUG_FRAME is not set.
Signed-off-by: Wang Nan <wangn...@huawei.com>
---
tools/perf/util/unwind-libunwind.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/util/unwind-libunwind.c
b/tools/perf/util/unwind-libunwind.c
index f079b63..4c00507 100644
--- a/tools/perf/util/unwind-libunwind.c
+++ b/tools/perf/util/unwind-libunwind.c
@@ -360,7 +360,7 @@ find_proc_info(unw_addr_space_t as, unw_word_t ip,
unw_proc_info_t *pi,
unw_word_t base = is_exec ? 0 : map->start;
if (fd >= 0)
- dso__data_put_fd(dso);
+ dso__data_put_fd(map->dso);
memset(&di, 0, sizeof(di));
if (dwarf_find_debug_frame(0, &di, ip, base, map->dso->name,
--
1.8.3.4
--
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