camera: remove useless patch

diff --git a/camera/device/1.0/default/CameraDevice.cpp b/camera/device/1.0/default/CameraDevice.cpp

index a1f1830f..a3514386 100644

--- a/camera/device/1.0/default/CameraDevice.cpp

+++ b/camera/device/1.0/default/CameraDevice.cpp

@@ -35,6 +35,7 @@ using ::android::hardware::graphics::common::V1_0::BufferUsage;

 using ::android::hardware::graphics::common::V1_0::PixelFormat;

 HandleImporter CameraDevice::sHandleImporter;

+CameraDevice* sUser = nullptr;

 Status CameraDevice::getHidlStatus(const int& status) {

     switch (status) {

@@ -361,7 +362,7 @@ CameraDevice::CameraHeapMemory::~CameraHeapMemory() {

 // shared memory methods

 camera_memory_t* CameraDevice::sGetMemory(int fd, size_t buf_size, uint_t num_bufs, void *user) {

     ALOGV("%s", __FUNCTION__);

-    CameraDevice* object = static_cast<CameraDevice*>(user);

+    CameraDevice* object = (user == nullptr)? sUser : static_cast<CameraDevice*>(user);

     if (object->mDeviceCallback == nullptr) {

         ALOGE("%s: camera HAL request memory while camera is not opened!", __FUNCTION__);

         return nullptr;

@@ -718,6 +719,7 @@ Return<Status> CameraDevice::open(const sp<ICameraDeviceCallback>& callback) {

 #endif

     if (mDevice->ops->set_callbacks) {

+	sUser = this;

         mDevice->ops->set_callbacks(mDevice,

                 sNotifyCb, sDataCb, sDataCbTimestamp, sGetMemory, this);

     }