diff options
-rw-r--r-- | device/usb/usb_device_handle_impl.cc | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/device/usb/usb_device_handle_impl.cc b/device/usb/usb_device_handle_impl.cc index 716c6c1..cf6ebfb 100644 --- a/device/usb/usb_device_handle_impl.cc +++ b/device/usb/usb_device_handle_impl.cc @@ -782,8 +782,14 @@ UsbDeviceHandleImpl::UsbDeviceHandleImpl( UsbDeviceHandleImpl::~UsbDeviceHandleImpl() { // This class is RefCountedThreadSafe and so the destructor may be called on - // any thread. - libusb_close(handle_); + // any thread. libusb is not safe to reentrancy so be sure not to try to close + // the device from inside a transfer completion callback. + if (blocking_task_runner_->RunsTasksOnCurrentThread()) { + libusb_close(handle_); + } else { + blocking_task_runner_->PostTask(FROM_HERE, + base::Bind(&libusb_close, handle_)); + } } void UsbDeviceHandleImpl::SetConfigurationOnBlockingThread( |