In the unlikely case of having a symbol without a mapping, avoid a
NULL dereference that clang-tidy warns about.
Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
tools/perf/util/dlfilter.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/tools/perf/util/dlfilter.c b/tools/perf/util/dlfilter.c
index 1dbf27822ee2..5e54832137a9 100644
--- a/tools/perf/util/dlfilter.c
+++ b/tools/perf/util/dlfilter.c
@@ -52,8 +52,10 @@ static void al_to_d_al(struct addr_location *al, struct perf_dlfilter_al *d_al)
d_al->sym_end = sym->end;
if (al->addr < sym->end)
d_al->symoff = al->addr - sym->start;
- else
+ else if (al->map)
d_al->symoff = al->addr - map__start(al->map) - sym->start;
+ else
+ d_al->symoff = 0;
d_al->sym_binding = sym->binding;
} else {
d_al->sym = NULL;
--
2.42.0.515.g380fc7ccd1-goog
