1 files changed, 20 insertions, 7 deletions

diff --git a/tools/perf/util/unwind-libdw.c b/tools/perf/util/unwind-libdw.c
index bdccfc511b7e..83eea968482e 100644
--- a/tools/perf/util/unwind-libdw.c
+++ b/tools/perf/util/unwind-libdw.c
@@ -90,8 +90,12 @@ static int __report_module(struct addr_location *al, u64 ip,
 static int report_module(u64 ip, struct unwind_info *ui)
 {
 	struct addr_location al;
+	int res;
 
-	return __report_module(&al, ip, ui);
+	addr_location__init(&al);
+	res = __report_module(&al, ip, ui);
+	addr_location__exit(&al);
+	return res;
 }
 
 /*
@@ -104,8 +108,11 @@ static int entry(u64 ip, struct unwind_info *ui)
 	struct unwind_entry *e = &ui->entries[ui->idx++];
 	struct addr_location al;
 
-	if (__report_module(&al, ip, ui))
+	addr_location__init(&al);
+	if (__report_module(&al, ip, ui)) {
+		addr_location__exit(&al);
 		return -1;
+	}
 
 	e->ip	  = ip;
 	e->ms.maps = al.maps;
@@ -116,6 +123,7 @@ static int entry(u64 ip, struct unwind_info *ui)
 		 al.sym ? al.sym->name : "''",
 		 ip,
 		 al.map ? map__map_ip(al.map, ip) : (u64) 0);
+	addr_location__exit(&al);
 	return 0;
 }
 
@@ -136,17 +144,22 @@ static int access_dso_mem(struct unwind_info *ui, Dwarf_Addr addr,
 	ssize_t size;
 	struct dso *dso;
 
+	addr_location__init(&al);
 	if (!thread__find_map(ui->thread, PERF_RECORD_MISC_USER, addr, &al)) {
 		pr_debug("unwind: no map for %lx\n", (unsigned long)addr);
-		return -1;
+		goto out_fail;
 	}
 	dso = map__dso(al.map);
 	if (!dso)
-		return -1;
+		goto out_fail;
 
 	size = dso__data_read_addr(dso, al.map, ui->machine, addr, (u8 *) data, sizeof(*data));
 
+	addr_location__exit(&al);
 	return !(size == sizeof(*data));
+out_fail:
+	addr_location__exit(&al);
+	return -1;
 }
 
 static bool memory_read(Dwfl *dwfl __maybe_unused, Dwarf_Addr addr, Dwarf_Word *result,
@@ -230,7 +243,7 @@ int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
 	struct unwind_info *ui, ui_buf = {
 		.sample		= data,
 		.thread		= thread,
-		.machine	= RC_CHK_ACCESS(thread->maps)->machine,
+		.machine	= RC_CHK_ACCESS(thread__maps(thread))->machine,
 		.cb		= cb,
 		.arg		= arg,
 		.max_stack	= max_stack,
@@ -260,11 +273,11 @@ int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
 	if (err)
 		goto out;
 
-	err = !dwfl_attach_state(ui->dwfl, EM_NONE, thread->tid, &callbacks, ui);
+	err = !dwfl_attach_state(ui->dwfl, EM_NONE, thread__tid(thread), &callbacks, ui);
 	if (err)
 		goto out;
 
-	err = dwfl_getthread_frames(ui->dwfl, thread->tid, frame_callback, ui);
+	err = dwfl_getthread_frames(ui->dwfl, thread__tid(thread), frame_callback, ui);
 
 	if (err && ui->max_stack != max_stack)
 		err = 0;