diff --git a/camera/common/1.0/default/Exif.cpp b/camera/common/1.0/default/Exif.cpp
index 4de05c5..413b6bb 100644
--- a/camera/common/1.0/default/Exif.cpp
+++ b/camera/common/1.0/default/Exif.cpp
@@ -632,13 +632,13 @@
 }
 
 bool ExifUtilsImpl::setImageHeight(uint32_t length) {
-    SET_LONG(EXIF_IFD_0, EXIF_TAG_IMAGE_LENGTH, length);
+    SET_SHORT(EXIF_IFD_0, EXIF_TAG_IMAGE_LENGTH, length);
     SET_LONG(EXIF_IFD_EXIF, EXIF_TAG_PIXEL_Y_DIMENSION, length);
     return true;
 }
 
 bool ExifUtilsImpl::setImageWidth(uint32_t width) {
-    SET_LONG(EXIF_IFD_0, EXIF_TAG_IMAGE_WIDTH, width);
+    SET_SHORT(EXIF_IFD_0, EXIF_TAG_IMAGE_WIDTH, width);
     SET_LONG(EXIF_IFD_EXIF, EXIF_TAG_PIXEL_X_DIMENSION, width);
     return true;
 }
diff --git a/sensors/1.0/vts/functional/SensorsHidlEnvironmentV1_0.cpp b/sensors/1.0/vts/functional/SensorsHidlEnvironmentV1_0.cpp
index 1e5e886..aca6961 100644
--- a/sensors/1.0/vts/functional/SensorsHidlEnvironmentV1_0.cpp
+++ b/sensors/1.0/vts/functional/SensorsHidlEnvironmentV1_0.cpp
@@ -25,6 +25,13 @@
 using ::android::hardware::sensors::V1_0::Result;
 using ::android::hardware::sensors::V1_0::SensorInfo;
 
+void SensorsHidlEnvironmentV1_0::HidlTearDown() {
+    mStopThread = true;
+    if (mPollThread.joinable()) {
+        mPollThread.detach();
+    }
+}
+
 bool SensorsHidlEnvironmentV1_0::resetHal() {
     // wait upto 100ms * 10 = 1s for hidl service.
     constexpr auto RETRY_DELAY = std::chrono::milliseconds(100);
@@ -103,18 +110,23 @@
     ALOGD("polling thread start");
 
     while (!stop) {
-        env->sensors->poll(
-            64, [&](auto result, const auto& events, const auto& dynamicSensorsAdded) {
-                if (result != Result::OK ||
-                    (events.size() == 0 && dynamicSensorsAdded.size() == 0) || stop) {
-                    stop = true;
-                    return;
-                }
+        if (!env->sensors
+                     ->poll(64,
+                            [&](auto result, const auto& events, const auto& dynamicSensorsAdded) {
+                                if (result != Result::OK ||
+                                    (events.size() == 0 && dynamicSensorsAdded.size() == 0) ||
+                                    stop) {
+                                    stop = true;
+                                    return;
+                                }
 
-                for (const auto& e : events) {
-                    env->addEvent(e);
-                }
-            });
+                                for (const auto& e : events) {
+                                    env->addEvent(e);
+                                }
+                            })
+                     .isOk()) {
+            break;
+        }
     }
     ALOGD("polling thread end");
 }
\ No newline at end of file
diff --git a/sensors/1.0/vts/functional/SensorsHidlEnvironmentV1_0.h b/sensors/1.0/vts/functional/SensorsHidlEnvironmentV1_0.h
index 485ed1e..168777d 100644
--- a/sensors/1.0/vts/functional/SensorsHidlEnvironmentV1_0.h
+++ b/sensors/1.0/vts/functional/SensorsHidlEnvironmentV1_0.h
@@ -32,6 +32,8 @@
 class SensorsHidlEnvironmentV1_0
     : public SensorsHidlEnvironmentBase<::android::hardware::sensors::V1_0::Event> {
   public:
+    void HidlTearDown() override;
+
     using Event = ::android::hardware::sensors::V1_0::Event;
     SensorsHidlEnvironmentV1_0(const std::string& service_name)
         : SensorsHidlEnvironmentBase(service_name) {}
diff --git a/sensors/common/vts/utils/include/sensors-vts-utils/SensorsHidlEnvironmentBase.h b/sensors/common/vts/utils/include/sensors-vts-utils/SensorsHidlEnvironmentBase.h
index 781427d..19dfbe5 100644
--- a/sensors/common/vts/utils/include/sensors-vts-utils/SensorsHidlEnvironmentBase.h
+++ b/sensors/common/vts/utils/include/sensors-vts-utils/SensorsHidlEnvironmentBase.h
@@ -46,12 +46,7 @@
         std::this_thread::sleep_for(std::chrono::seconds(3));
     }
 
-    virtual void HidlTearDown() {
-        mStopThread = true;
-        if (mPollThread.joinable()) {
-            mPollThread.join();
-        }
-    }
+    virtual void HidlTearDown() = 0;
 
     // Get and clear all events collected so far (like "cat" shell command).
     // If output is nullptr, it clears all collected events.