Fixed gyrosim

Was not calling base class init()

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

src/platforms/posix/drivers/gyrosim/gyrosim.cpp

@@ -308,7 +308,7 @@ private:
 extern "C" { __EXPORT int gyrosim_main(int argc, char *argv[]); }
 
 GYROSIM::GYROSIM(const char *path_accel, const char *path_gyro, enum Rotation rotation) :
-	VirtDevObj("GYROSIM", path_accel, nullptr, 1000),
+	VirtDevObj("GYROSIM", path_accel, ACCEL_BASE_DEVICE_PATH, 1000),
 	_gyro(new GYROSIM_gyro(this, path_gyro)),
 	_product(GYROSIMES_REV_C4),
 	_accel_reports(nullptr),
@@ -390,6 +390,13 @@ GYROSIM::init()
 
 	struct gyro_report grp = {};
 
+	ret = VirtDevObj::init();
+	if (ret != 0) {
+		PX4_WARN("Base class init failed");
+		ret = 1;
+		goto out;
+	}
+
 	/* allocate basic report buffers */
 	_accel_reports = new ringbuffer::RingBuffer(2, sizeof(accel_report));
 
@@ -1158,7 +1165,7 @@ GYROSIM::print_registers()
 
 GYROSIM_gyro::GYROSIM_gyro(GYROSIM *parent, const char *path) :
 	// Set sample interval to 0 since device is read by parent
-	VirtDevObj("GYROSIM_gyro", path, "", 0),
+	VirtDevObj("GYROSIM_gyro", path, GYRO_BASE_DEVICE_PATH, 0),
 	_parent(parent),
 	_gyro_topic(nullptr),
 	_gyro_orb_class_instance(-1)