Hi Wang,
On Wed, Jun 3, 2015 at 5:50 PM, Wang Nan <wangn...@huawei.com> wrote:
> 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>
Acked-by: Namhyung Kim <namhy...@kernel.org>
Thanks for fixing this!
Namhyung
> ---
> 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
>
--
Thanks,
Namhyung
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