Merge "fs_mgr: Allow commas in boot device paths."
diff --git a/bootstat/bootstat.cpp b/bootstat/bootstat.cpp
index a9c1676..5d6cee4 100644
--- a/bootstat/bootstat.cpp
+++ b/bootstat/bootstat.cpp
@@ -1238,16 +1238,26 @@
   // Shift last_reboot_reason_property to last_last_reboot_reason_property
   std::string last_boot_reason;
   if (!android::base::ReadFileToString(last_reboot_reason_file, &last_boot_reason)) {
+    PLOG(ERROR) << "Failed to read " << last_reboot_reason_file;
     last_boot_reason = android::base::GetProperty(last_reboot_reason_property, "");
+    LOG(INFO) << "Value of " << last_reboot_reason_property << " : " << last_boot_reason;
+  } else {
+    LOG(INFO) << "Last reboot reason read from " << last_reboot_reason_file << " : "
+              << last_boot_reason << ". Last reboot reason read from "
+              << last_reboot_reason_property << " : "
+              << android::base::GetProperty(last_reboot_reason_property, "");
   }
   if (last_boot_reason.empty() || isKernelRebootReason(system_boot_reason)) {
     last_boot_reason = system_boot_reason;
   } else {
     transformReason(last_boot_reason);
   }
+  LOG(INFO) << "Normalized last reboot reason : " << last_boot_reason;
   android::base::SetProperty(last_last_reboot_reason_property, last_boot_reason);
   android::base::SetProperty(last_reboot_reason_property, "");
-  unlink(last_reboot_reason_file);
+  if (unlink(last_reboot_reason_file) != 0) {
+    PLOG(ERROR) << "Failed to unlink " << last_reboot_reason_file;
+  }
 }
 
 // Gets the boot time offset. This is useful when Android is running in a
diff --git a/init/property_service.cpp b/init/property_service.cpp
index 655b8de..842b2e5 100644
--- a/init/property_service.cpp
+++ b/init/property_service.cpp
@@ -47,6 +47,7 @@
 #include <thread>
 #include <vector>
 
+#include <InitProperties.sysprop.h>
 #include <android-base/chrono_utils.h>
 #include <android-base/file.h>
 #include <android-base/logging.h>
@@ -85,6 +86,7 @@
 using android::properties::ParsePropertyInfoFile;
 using android::properties::PropertyInfoAreaFile;
 using android::properties::PropertyInfoEntry;
+using android::sysprop::InitProperties::is_userspace_reboot_supported;
 
 namespace android {
 namespace init {
@@ -492,6 +494,10 @@
         if (!value.empty()) {
             DebugRebootLogging();
         }
+        if (value == "reboot,userspace" && !is_userspace_reboot_supported().value_or(false)) {
+            *error = "Userspace reboot is not supported by this device";
+            return PROP_ERROR_INVALID_VALUE;
+        }
     }
 
     // If a process other than init is writing a non-empty value, it means that process is
diff --git a/init/property_service_test.cpp b/init/property_service_test.cpp
index 0f4cd0d..c6dcfa2 100644
--- a/init/property_service_test.cpp
+++ b/init/property_service_test.cpp
@@ -22,8 +22,10 @@
 #include <sys/_system_properties.h>
 
 #include <android-base/properties.h>
+#include <android-base/scopeguard.h>
 #include <gtest/gtest.h>
 
+using android::base::GetProperty;
 using android::base::SetProperty;
 
 namespace android {
@@ -74,5 +76,19 @@
     EXPECT_TRUE(SetProperty("property_service_utf8_test", "\xF0\x90\x80\x80"));
 }
 
+TEST(property_service, userspace_reboot_not_supported) {
+    if (getuid() != 0) {
+        GTEST_SKIP() << "Skipping test, must be run as root.";
+        return;
+    }
+    const std::string original_value = GetProperty("init.userspace_reboot.is_supported", "");
+    auto guard = android::base::make_scope_guard([&original_value]() {
+        SetProperty("init.userspace_reboot.is_supported", original_value);
+    });
+
+    ASSERT_TRUE(SetProperty("init.userspace_reboot.is_supported", "false"));
+    EXPECT_FALSE(SetProperty("sys.powerctl", "reboot,userspace"));
+}
+
 }  // namespace init
 }  // namespace android