Close Fence FDs in error cases of Surface and GraphicBufferMapper

Surface::{cancel,queue}Buffer and GraphicBufferMapper::lockAsyncYCbCr take the
ownership of |fenceFd|s. Though they don't close it on error cases.

Change-Id: I49a7ce8837d5c510c4ac4ad4649f310d18610e80
(cherry picked from commit c7263fb43297744eb04b11025424c0c526d5584c)

1 files changed, 3 insertions, 0 deletions

diff --git a/libs/ui/GraphicBufferMapper.cpp b/libs/ui/GraphicBufferMapper.cpp
index b03e8d6..90a1c11 100644
--- a/libs/ui/GraphicBufferMapper.cpp
+++ b/libs/ui/GraphicBufferMapper.cpp
@@ -164,6 +164,9 @@ status_t GraphicBufferMapper::lockAsyncYCbCr(buffer_handle_t handle,
                 bounds.left, bounds.top, bounds.width(), bounds.height(),
                 ycbcr);
     } else {
+        if (fenceFd >= 0) {
+            close(fenceFd);
+        }
         return -EINVAL; // do not log failure
     }