Add param null-check + error return

* Fail gracefully when no hidl is passed

Test: Manually ran with nullptr

Change-Id: I2726c5ad512c7115f4c6e99d1e41e0fe267e6ff2

parent 2c275922

libs/vr/libvrflinger/vr_flinger.cpp

+3 −0

Original line number	Diff line number	Diff line
		@@ -32,6 +32,9 @@ namespace dvr {
		VrFlinger::VrFlinger() {}

		int VrFlinger::Run(Hwc2::Composer* hidl) {
		if (!hidl)
		return EINVAL;

		std::shared_ptr<android::pdx::Service> service;

		ALOGI("Starting up VrFlinger...");