diff --git a/camera/common/1.0/default/CameraModule.cpp b/camera/common/1.0/default/CameraModule.cpp
index eb840a7..392ebbc 100644
--- a/camera/common/1.0/default/CameraModule.cpp
+++ b/camera/common/1.0/default/CameraModule.cpp
@@ -235,7 +235,7 @@
     chars.update(keyTag, availableKeys);
 }
 
-CameraModule::CameraModule(camera_module_t *module) {
+CameraModule::CameraModule(camera_module_t *module) : mNumberOfCameras(0) {
     if (module == NULL) {
         ALOGE("%s: camera hardware module must not be null", __FUNCTION__);
         assert(0);
@@ -264,7 +264,8 @@
         res = mModule->init();
         ATRACE_END();
     }
-    mCameraInfoMap.setCapacity(getNumberOfCameras());
+    mNumberOfCameras = getNumberOfCameras();
+    mCameraInfoMap.setCapacity(mNumberOfCameras);
     return res;
 }
 
@@ -322,7 +323,7 @@
 int CameraModule::getPhysicalCameraInfo(int physicalCameraId, camera_metadata_t **physicalInfo) {
     ATRACE_CALL();
     Mutex::Autolock lock(mCameraInfoLock);
-    if (physicalCameraId < 0) {
+    if (physicalCameraId < mNumberOfCameras) {
         ALOGE("%s: Invalid physical camera ID %d", __FUNCTION__, physicalCameraId);
         return -EINVAL;
     }
@@ -334,6 +335,10 @@
                 __FUNCTION__);
         return -ENODEV;
     }
+    if (mModule->get_physical_camera_info == nullptr) {
+        ALOGE("%s: get_physical_camera is NULL for module version 2.5", __FUNCTION__);
+        return -EINVAL;
+    }
 
     ssize_t index = mPhysicalCameraInfoMap.indexOfKey(physicalCameraId);
     if (index == NAME_NOT_FOUND) {
diff --git a/camera/common/1.0/default/include/CameraModule.h b/camera/common/1.0/default/include/CameraModule.h
index ed853bf..aee9654 100644
--- a/camera/common/1.0/default/include/CameraModule.h
+++ b/camera/common/1.0/default/include/CameraModule.h
@@ -75,6 +75,7 @@
             int32_t keyTag, const Vector<int32_t>& appendKeys);
     status_t filterOpenErrorCode(status_t err);
     camera_module_t *mModule;
+    int mNumberOfCameras;
     KeyedVector<int, camera_info> mCameraInfoMap;
     KeyedVector<int, int> mDeviceVersionMap;
     KeyedVector<int, camera_metadata_t*> mPhysicalCameraInfoMap;