device: Fix crash freeing device Calling gatt_db_register with NULL pointers makes no sense since it does nothing when the callbacks are NULL so the callback are still reachable causing invalid memory to accessed: Invalid read of size 8 at 0x50EAFDC: g_slist_find_custom (in /usr/lib64/libglib-2.0.so.0.5000.3) by 0x46CDA1: gatt_service_removed (device.c:3563) by 0x4896F8: queue_foreach (queue.c:220) by 0x4951FB: notify_service_changed (gatt-db.c:268) by 0x4951FB: gatt_db_service_destroy (gatt-db.c:279) by 0x4898F5: queue_remove_all (queue.c:336) by 0x4952E2: gatt_db_clear_range (gatt-db.c:461) by 0x48F32B: discovery_op_unref (gatt-client.c:447) by 0x4979AA: bt_gatt_request_unref (gatt-helpers.c:594) by 0x490489: bt_gatt_client_cancel_all (gatt-client.c:2083) by 0x4904D8: bt_gatt_client_free (gatt-client.c:1752) by 0x46CF70: gatt_client_cleanup (device.c:561) by 0x46D01A: attio_cleanup (device.c:586) Address 0x86cb940 is 0 bytes inside a block of size 16 free'd at 0x4C2ED4A: free (vg_replace_malloc.c:530) by 0x50D16CD: g_free (in /usr/lib64/libglib-2.0.so.0.5000.3) by 0x50EA743: g_slice_free_chain_with_offset (in /usr/lib64/libglib-2.0.so.0.5000.3) by 0x46D18C: device_free (device.c:638) by 0x485B05: remove_interface (object.c:667) by 0x485FF9: g_dbus_unregister_interface (object.c:1391) by 0x45EFA9: btd_adapter_remove_device (adapter.c:1200) by 0x45FBC3: dev_disconnected (adapter.c:6800) by 0x48A1A5: request_complete (mgmt.c:261) by 0x48AC0B: can_read_data (mgmt.c:353) by 0x496954: watch_callback (io-glib.c:170) by 0x50CBE51: g_main_context_dispatch (in /usr/lib64/libglib-2.0.so.0.5000.3)

Diffstat

1 files changed, 4 insertions(+), 3 deletions(-)