787     int32_t idx = -1;  in registerBuffer()  local
805     idx = getFreeIndexLocked();  in registerBuffer()
806     if (0 > idx) {  in registerBuffer()
811     mBufferHandle[idx] = buffer;  in registerBuffer()
812     mPrivateHandle[idx] = (struct private_handle_t *)(*mBufferHandle[idx]);  in registerBuffer()
814     setMetaData(mPrivateHandle[idx], UPDATE_COLOR_SPACE, &colorSpace);  in registerBuffer()
821         ion_info_fd.fd = mPrivateHandle[idx]->fd;  in registerBuffer()
830              idx, mPrivateHandle[idx]->fd,  in registerBuffer()
831             mPrivateHandle[idx]->size,  in registerBuffer()
832             mPrivateHandle[idx]->offset);  in registerBuffer()
833     mMemInfo[idx].fd = mPrivateHandle[idx]->fd;  in registerBuffer()
834     mMemInfo[idx].size =  in registerBuffer()
836             mPrivateHandle[idx]->size;  in registerBuffer()
837     mMemInfo[idx].handle = ion_info_fd.handle;  in registerBuffer()
858 int32_t QCamera3GrallocMemory::unregisterBufferLocked(size_t idx)  in unregisterBufferLocked()  argument
860     if (mPtr[idx] != nullptr) {  in unregisterBufferLocked()
861         munmap(mPtr[idx], mMemInfo[idx].size);  in unregisterBufferLocked()
862         mPtr[idx] = nullptr;  in unregisterBufferLocked()
867     ion_handle.handle = mMemInfo[idx].handle;  in unregisterBufferLocked()
871     memset(&mMemInfo[idx], 0, sizeof(struct QCamera3MemInfo));  in unregisterBufferLocked()
872     mBufferHandle[idx] = NULL;  in unregisterBufferLocked()
873     mPrivateHandle[idx] = NULL;  in unregisterBufferLocked()
874     mCurrentFrameNumbers[idx] = -1;  in unregisterBufferLocked()
892 int32_t QCamera3GrallocMemory::unregisterBuffer(size_t idx)  in unregisterBuffer()  argument
899     if (MM_CAMERA_MAX_NUM_FRAMES <= idx) {  in unregisterBuffer()
901                  idx, MM_CAMERA_MAX_NUM_FRAMES);  in unregisterBuffer()
904     if (idx < mStartIdx) {  in unregisterBuffer()
906                  idx, mStartIdx);  in unregisterBuffer()
910     if (0 == mMemInfo[idx].handle) {  in unregisterBuffer()
912                  idx);  in unregisterBuffer()
916     rc = unregisterBufferLocked(idx);  in unregisterBuffer()