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Re: [PATCH tip] perf tools: Fix a compiling problem

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  Re: [PATCH tip] perf tools: Fix a compiling problem Namhyung Kim <namhyung@kernel.org> - 2015-06-03 14:40 +0200

#1157536 — Re: [PATCH tip] perf tools: Fix a compiling problem

Hi Wang,

On Wed, Jun 3, 2015 at 5:50 PM, Wang Nan <wangnan0@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 <wangnan0@huawei.com>

Acked-by: Namhyung Kim <namhyung@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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