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-rw-r--r--tools/perf/util/sort.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index d26c6b9fe348..5888bfe9a193 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -1816,6 +1816,11 @@ static int64_t __sort__hde_cmp(struct perf_hpp_fmt *fmt,
hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
+ if (b == NULL) {
+ update_dynamic_len(hde, a);
+ return 0;
+ }
+
field = hde->field;
if (field->flags & FIELD_IS_DYNAMIC) {
unsigned long long dyn;
@@ -1830,9 +1835,6 @@ static int64_t __sort__hde_cmp(struct perf_hpp_fmt *fmt,
} else {
offset = field->offset;
size = field->size;
-
- update_dynamic_len(hde, a);
- update_dynamic_len(hde, b);
}
return memcmp(a->raw_data + offset, b->raw_data + offset, size);