Release buffer in HostBufferQueue

This releases the pointer to the GraphicBuffer when detachBuffer is
called to avoid leaking the memory.

Flag: NONE host-only change
Bug: 388141123
Bug: 396183478
Test: N/A
Change-Id: Ia705c046653f01192991bb2c181bee685fad97a2

1 files changed, 1 insertions, 0 deletions

diff --git a/libs/hostgraphics/HostBufferQueue.cpp b/libs/hostgraphics/HostBufferQueue.cpp
index 7e14b88a47fa..ef5406250251 100644
--- a/libs/hostgraphics/HostBufferQueue.cpp
+++ b/libs/hostgraphics/HostBufferQueue.cpp
@@ -29,6 +29,7 @@ public:
     }
 
     virtual status_t detachBuffer(int slot) {
+        mBuffer.clear();
         return OK;
     }