1 files changed, 15 insertions, 0 deletions

diff --git a/update_verifier/update_verifier_main.cpp b/update_verifier/update_verifier_main.cpp
index 46e8bbb59..a86203bfb 100644
--- a/update_verifier/update_verifier_main.cpp
+++ b/update_verifier/update_verifier_main.cpp
@@ -16,8 +16,23 @@
 
 // See the comments in update_verifier.cpp.
 
+#include <string>
+
+#include <android-base/logging.h>
+#include <android-base/properties.h>
+
 #include "update_verifier/update_verifier.h"
 
 int main(int argc, char** argv) {
+  std::string s = android::base::GetProperty("ro.boot.slot_suffix", "");
+
+  if (s.empty()) {
+    return 0;  // non-A/B update device, so we quit
+  }
+
+  // Set up update_verifier logging to be written to kmsg; because we may not have Logd during
+  // boot time.
+  android::base::InitLogging(argv, &android::base::KernelLogger);
+
   return update_verifier(argc, argv);
 }