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-rw-r--r--tools/perf/builtin-lock.c2
-rw-r--r--tools/perf/util/dwarf-aux.c8
-rw-r--r--tools/perf/util/session.c1
3 files changed, 10 insertions, 1 deletions
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index de16aaed516e..daf2dc023245 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -616,7 +616,7 @@ static int report_lock_release_event(struct perf_evsel *evsel,
case SEQ_STATE_READ_ACQUIRED:
seq->read_count--;
BUG_ON(seq->read_count < 0);
- if (!seq->read_count) {
+ if (seq->read_count) {
ls->nr_release++;
goto end;
}
diff --git a/tools/perf/util/dwarf-aux.c b/tools/perf/util/dwarf-aux.c
index fd460aca36e5..40e4c933b372 100644
--- a/tools/perf/util/dwarf-aux.c
+++ b/tools/perf/util/dwarf-aux.c
@@ -305,6 +305,7 @@ bool die_is_func_def(Dwarf_Die *dw_die)
int die_entrypc(Dwarf_Die *dw_die, Dwarf_Addr *addr)
{
Dwarf_Addr base, end;
+ Dwarf_Attribute attr;
if (!addr)
return -EINVAL;
@@ -312,6 +313,13 @@ int die_entrypc(Dwarf_Die *dw_die, Dwarf_Addr *addr)
if (dwarf_entrypc(dw_die, addr) == 0)
return 0;
+ /*
+ * Since the dwarf_ranges() will return 0 if there is no
+ * DW_AT_ranges attribute, we should check it first.
+ */
+ if (!dwarf_attr(dw_die, DW_AT_ranges, &attr))
+ return -ENOENT;
+
return dwarf_ranges(dw_die, 0, &base, addr, &end) < 0 ? -ENOENT : 0;
}
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 4596496f6c0f..24bb782886eb 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -389,6 +389,7 @@ static void perf_event__mmap2_swap(union perf_event *event,
event->mmap2.maj = bswap_32(event->mmap2.maj);
event->mmap2.min = bswap_32(event->mmap2.min);
event->mmap2.ino = bswap_64(event->mmap2.ino);
+ event->mmap2.ino_generation = bswap_64(event->mmap2.ino_generation);
if (sample_id_all) {
void *data = &event->mmap2.filename;