Add an assert to silence Coverity.

diff --git a/nageru/mixer.cpp b/nageru/mixer.cpp
index 9e28d4c25c5abfd3ef622646bcc8dbfe0606cf67..9fd1e153ce71592adc782dba326a187463d72fcf 100644 (file)
--- a/nageru/mixer.cpp
+++ b/nageru/mixer.cpp
@@ -865,6 +865,7 @@ void Mixer::bm_frame(unsigned card_index, uint16_t timecode,
                }
                frame_upload_start = steady_clock::now();
        }
+       assert(userdata != nullptr);
        userdata->last_interlaced = video_format.interlaced;
        userdata->last_has_signal = video_format.has_signal;
        userdata->last_is_connected = video_format.is_connected;