diff --git a/src/v4l2/v4l2_camera.cpp b/src/v4l2/v4l2_camera.cpp
index 3c36932..9a1ebc8 100644
--- a/src/v4l2/v4l2_camera.cpp
+++ b/src/v4l2/v4l2_camera.cpp
@@ -91,7 +91,9 @@ void V4L2Camera::requestComplete(Request *request)
 	bufferLock_.unlock();
 
 	uint64_t data = 1;
-	::write(efd_, &data, sizeof(data));
+	int ret = ::write(efd_, &data, sizeof(data));
+	if (ret != sizeof(data))
+		LOG(V4L2Compat, Error) << "Failed to signal eventfd POLLIN";
 
 	bufferSema_.release();
 }
diff --git a/src/v4l2/v4l2_camera_proxy.cpp b/src/v4l2/v4l2_camera_proxy.cpp
index 308a8ab..17477ab 100644
--- a/src/v4l2/v4l2_camera_proxy.cpp
+++ b/src/v4l2/v4l2_camera_proxy.cpp
@@ -454,7 +454,9 @@ int V4L2CameraProxy::vidioc_dqbuf(struct v4l2_buffer *arg)
 	currentBuf_ = (currentBuf_ + 1) % bufferCount_;
 
 	uint64_t data;
-	::read(efd_, &data, sizeof(data));
+	ret = ::read(efd_, &data, sizeof(data));
+	if (ret != sizeof(data))
+		LOG(V4L2Compat, Error) << "Failed to clear eventfd POLLIN";
 
 	return 0;
 }