1 files changed, 12 insertions, 7 deletions

diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index 5ac13958d1bd..f1a14c0ad26d 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -501,6 +501,7 @@ static int __open_dso(struct dso *dso, struct machine *machine)
 	if (!name)
 		return -ENOMEM;
 
+	mutex_lock(&dso->lock);
 	if (machine)
 		root_dir = machine->root_dir;
 
@@ -541,6 +542,7 @@ static int __open_dso(struct dso *dso, struct machine *machine)
 		unlink(name);
 
 out:
+	mutex_unlock(&dso->lock);
 	free(name);
 	return fd;
 }
@@ -559,8 +561,11 @@ static int open_dso(struct dso *dso, struct machine *machine)
 	int fd;
 	struct nscookie nsc;
 
-	if (dso->binary_type != DSO_BINARY_TYPE__BUILD_ID_CACHE)
+	if (dso->binary_type != DSO_BINARY_TYPE__BUILD_ID_CACHE) {
+		mutex_lock(&dso->lock);
 		nsinfo__mountns_enter(dso->nsinfo, &nsc);
+		mutex_unlock(&dso->lock);
+	}
 	fd = __open_dso(dso, machine);
 	if (dso->binary_type != DSO_BINARY_TYPE__BUILD_ID_CACHE)
 		nsinfo__mountns_exit(&nsc);
@@ -795,7 +800,7 @@ dso_cache__free(struct dso *dso)
 	struct rb_root *root = &dso->data.cache;
 	struct rb_node *next = rb_first(root);
 
-	pthread_mutex_lock(&dso->lock);
+	mutex_lock(&dso->lock);
 	while (next) {
 		struct dso_cache *cache;
 
@@ -804,7 +809,7 @@ dso_cache__free(struct dso *dso)
 		rb_erase(&cache->rb_node, root);
 		free(cache);
 	}
-	pthread_mutex_unlock(&dso->lock);
+	mutex_unlock(&dso->lock);
 }
 
 static struct dso_cache *__dso_cache__find(struct dso *dso, u64 offset)
@@ -841,7 +846,7 @@ dso_cache__insert(struct dso *dso, struct dso_cache *new)
 	struct dso_cache *cache;
 	u64 offset = new->offset;
 
-	pthread_mutex_lock(&dso->lock);
+	mutex_lock(&dso->lock);
 	while (*p != NULL) {
 		u64 end;
 
@@ -862,7 +867,7 @@ dso_cache__insert(struct dso *dso, struct dso_cache *new)
 
 	cache = NULL;
 out:
-	pthread_mutex_unlock(&dso->lock);
+	mutex_unlock(&dso->lock);
 	return cache;
 }
 
@@ -1297,7 +1302,7 @@ struct dso *dso__new_id(const char *name, struct dso_id *id)
 		dso->root = NULL;
 		INIT_LIST_HEAD(&dso->node);
 		INIT_LIST_HEAD(&dso->data.open_entry);
-		pthread_mutex_init(&dso->lock, NULL);
+		mutex_init(&dso->lock);
 		refcount_set(&dso->refcnt, 1);
 	}
 
@@ -1336,7 +1341,7 @@ void dso__delete(struct dso *dso)
 	dso__free_a2l(dso);
 	zfree(&dso->symsrc_filename);
 	nsinfo__zput(dso->nsinfo);
-	pthread_mutex_destroy(&dso->lock);
+	mutex_destroy(&dso->lock);
 	free(dso);
 }