From: Jean Pihet <jean.pi...@linaro.org> Use the info only if it has been found in the .debug_frame section of the ELF binary.
Signed-off-by: Jean Pihet <jean.pi...@linaro.org> Acked-by: Jiri Olsa <jo...@redhat.com> Cc: Ingo Molnar <mi...@kernel.org> Cc: Jiri Olsa <jo...@redhat.com> Cc: Will Deacon <will.dea...@arm.com> Cc: linaro-ker...@lists.linaro.org Cc: patc...@linaro.org Link: http://lkml.kernel.org/r/1387212194-8028-1-git-send-email-jean.pi...@linaro.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/util/unwind.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/tools/perf/util/unwind.c b/tools/perf/util/unwind.c index 0efd5393de85..416f22bf3693 100644 --- a/tools/perf/util/unwind.c +++ b/tools/perf/util/unwind.c @@ -340,10 +340,10 @@ find_proc_info(unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, /* Check the .debug_frame section for unwinding info */ if (!read_unwind_spec_debug_frame(map->dso, ui->machine, &segbase)) { memset(&di, 0, sizeof(di)); - dwarf_find_debug_frame(0, &di, ip, 0, map->dso->name, - map->start, map->end); - return dwarf_search_unwind_table(as, ip, &di, pi, - need_unwind_info, arg); + if (dwarf_find_debug_frame(0, &di, ip, 0, map->dso->name, + map->start, map->end)) + return dwarf_search_unwind_table(as, ip, &di, pi, + need_unwind_info, arg); } #endif -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
