From dce98241e8ffa59a0ca30628d25d67e86e66f387 Mon Sep 17 00:00:00 2001
From: Steven Moreland <smoreland@google.com>
Date: Fri, 11 Mar 2022 00:26:10 +0000
Subject: libbinder: warn on null binder read

This error does happen a few times during boot, but it can be
pretty hard to discover (evidenced from a few email threads).

Bug: N/A
Test: boot
Change-Id: I650319cb8bdfb9eb65c079077fbf834cbc66b7f9
---
 libs/binder/Parcel.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'libs/binder/Parcel.cpp')

diff --git a/libs/binder/Parcel.cpp b/libs/binder/Parcel.cpp
index 504c6c2d83..a217a157c9 100644
--- a/libs/binder/Parcel.cpp
+++ b/libs/binder/Parcel.cpp
@@ -1862,6 +1862,7 @@ status_t Parcel::readStrongBinder(sp<IBinder>* val) const
 {
     status_t status = readNullableStrongBinder(val);
     if (status == OK && !val->get()) {
+        ALOGW("Expecting binder but got null!");
         status = UNEXPECTED_NULL;
     }
     return status;
-- 
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