commit 174c5b8ecdc52263832d7f8fa0ae1a22f8a91dcc
author Devin Moore <devinmoore@google.com> Tue Apr 25 00:17:13 2023 +0000
committer Prashantsinh Parmar <prashantsinh.parmar@fairphone.partners> Mon Oct 09 23:26:31 2023 +0530
tree 55c1db9fb7c3cb2fcdb90a6aee6cc77cabce97d7
parent 03b77e7b380e529dd2d9d851ca847a11f6f3db52

Allow sensors list to be empty

Test: atest VtsHalSensorManagerV1_0TargetTest
Bug: 278013275
Bug: 269014004
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:49600b10aa5675d4e7e985203d69f252ead13e45)
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:7057a9f08d98bfec8ffbabcf00f2885d3909c6c9)
Merged-In: I091f57de9570b0ace3a8da76f16fe0e83f0aa624
Change-Id: I091f57de9570b0ace3a8da76f16fe0e83f0aa624

Change-Id: Ic26601737184d3b07c374c1cb77628b61f80df9e

libs/sensor/SensorManager.cpp

diff --git a/libs/sensor/SensorManager.cpp b/libs/sensor/SensorManager.cpp
index f5dd36a..22adc93 100644
--- a/libs/sensor/SensorManager.cpp
+++ b/libs/sensor/SensorManager.cpp
@@ -172,11 +172,8 @@
 
         mSensors = mSensorServer->getSensorList(mOpPackageName);
         size_t count = mSensors.size();
-        if (count == 0) {
-            ALOGE("Failed to get Sensor list");
-            mSensorServer.clear();
-            return UNKNOWN_ERROR;
-        }
+        // If count is 0, mSensorList will be non-null. This is old
+        // existing behavior and callers expect this.
         mSensorList =
                 static_cast<Sensor const**>(malloc(count * sizeof(Sensor*)));
         LOG_ALWAYS_FATAL_IF(mSensorList == nullptr, "mSensorList NULL");