bluez5-util: add destroy function

Add a destroy function to the transport that is called before freeing
the transport. Useful for cleaning up extra userdata.

2 files changed, 4 insertions, 0 deletions

diff --git a/src/modules/bluetooth/bluez5-util.c b/src/modules/bluetooth/bluez5-util.c
index 1ee2f33c9..9431aed6e 100644
--- a/src/modules/bluetooth/bluez5-util.c
+++ b/src/modules/bluetooth/bluez5-util.c
@@ -205,6 +205,8 @@ void pa_bluetooth_transport_unlink(pa_bluetooth_transport *t) {
 void pa_bluetooth_transport_free(pa_bluetooth_transport *t) {
     pa_assert(t);
 
+    if (t->destroy)
+        t->destroy(t);
     pa_bluetooth_transport_unlink(t);
 
     pa_xfree(t->owner);
diff --git a/src/modules/bluetooth/bluez5-util.h b/src/modules/bluetooth/bluez5-util.h
index 8db4a177d..1a8a364da 100644
--- a/src/modules/bluetooth/bluez5-util.h
+++ b/src/modules/bluetooth/bluez5-util.h
@@ -60,6 +60,7 @@ typedef enum pa_bluetooth_transport_state {
 
 typedef int (*pa_bluetooth_transport_acquire_cb)(pa_bluetooth_transport *t, bool optional, size_t *imtu, size_t *omtu);
 typedef void (*pa_bluetooth_transport_release_cb)(pa_bluetooth_transport *t);
+typedef void (*pa_bluetooth_transport_destroy_cb)(pa_bluetooth_transport *t);
 
 struct pa_bluetooth_transport {
     pa_bluetooth_device *device;
@@ -76,6 +77,7 @@ struct pa_bluetooth_transport {
 
     pa_bluetooth_transport_acquire_cb acquire;
     pa_bluetooth_transport_release_cb release;
+    pa_bluetooth_transport_destroy_cb destroy;
     void *userdata;
 };