From d8091b9331b17d4a6d5d3ec04e161b7956f67cb8 Mon Sep 17 00:00:00 2001
From: Chia-I Wu <olv@google.com>
Date: Tue, 16 May 2017 14:30:34 -0700
Subject: libui: flush hwbinder commands in Allocator::allocate

Bug: 36279079
Test: monkey test on fugu
Change-Id: I81f72d63d3ede64f279b26208bb5df7646050e73
---
 libs/ui/Gralloc2.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'libs/ui/Gralloc2.cpp')

diff --git a/libs/ui/Gralloc2.cpp b/libs/ui/Gralloc2.cpp
index f8d9401a0e..87dbaf47d3 100644
--- a/libs/ui/Gralloc2.cpp
+++ b/libs/ui/Gralloc2.cpp
@@ -16,6 +16,7 @@
 
 #define LOG_TAG "Gralloc2"
 
+#include <hwbinder/IPCThreadState.h>
 #include <ui/Gralloc2.h>
 
 #include <log/log.h>
@@ -241,6 +242,9 @@ Error Allocator::allocate(BufferDescriptor descriptor, uint32_t count,
                 *outStride = tmpStride;
             });
 
+    // make sure the kernel driver sees BC_FREE_BUFFER and closes the fds now
+    hardware::IPCThreadState::self()->flushCommands();
+
     return (ret.isOk()) ? error : kTransactionError;
 }
 
-- 
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