From 11d6d278cd8141a5bdb3ca25576039124c44fa6e Mon Sep 17 00:00:00 2001
From: David Anderson <dvander@google.com>
Date: Fri, 7 Dec 2018 16:39:07 -0800
Subject: [PATCH] fastboot: Wait for reboot-fastboot to complete before
 signaling success.

Bug: N/A
Test: manual test
Change-Id: I07495c1befcf63607c9996d6da6b4df05c060641
---
 fastboot/fastboot.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/fastboot/fastboot.cpp b/fastboot/fastboot.cpp
index fee08577c..c77b3f713 100644
--- a/fastboot/fastboot.cpp
+++ b/fastboot/fastboot.cpp
@@ -1158,6 +1158,10 @@ static void reboot_to_userspace_fastboot() {
     std::this_thread::sleep_for(std::chrono::milliseconds(1000));
 
     fb->set_transport(open_device());
+
+    if (!is_userspace_fastboot()) {
+        die("Failed to boot into userspace fastboot; one or more components might be unbootable.");
+    }
 }
 
 class ImageSource {
@@ -1314,9 +1318,6 @@ void FlashAllTool::UpdateSuperPartition() {
     if (!is_userspace_fastboot()) {
         reboot_to_userspace_fastboot();
     }
-    if (!is_userspace_fastboot()) {
-        die("Failed to boot into userspace; one or more components might be unbootable.");
-    }
 
     std::string super_name;
     if (fb->GetVar("super-partition-name", &super_name) != fastboot::RetCode::SUCCESS) {
@@ -1962,8 +1963,7 @@ int FastBootTool::Main(int argc, char* argv[]) {
         fb->RebootTo("recovery");
         fb->WaitForDisconnect();
     } else if (wants_reboot_fastboot) {
-        fb->RebootTo("fastboot");
-        fb->WaitForDisconnect();
+        reboot_to_userspace_fastboot();
     }
 
     fprintf(stderr, "Finished. Total time: %.3fs\n", (now() - start));