commit adc1884222276df6eb018f78bccacbcd78a0b9f6
author Todd Kjos <tkjos@android.com> Thu Jun 29 12:01:59 2017 -0700
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Mon Jul 17 14:48:23 2017 +0200
tree 3b041b13a03729009bd2fa063fc2163bc27aac0f
parent 372e3147df7016ebeaa372939e8774a1292db558

binder: use node->tmp_refs to ensure node safety

When obtaining a node via binder_get_node(),
binder_get_node_from_ref() or binder_new_node(),
increment node->tmp_refs to take a
temporary reference on the node to ensure the node
persists while being used.  binder_put_node() must
be called to remove the temporary reference.

Signed-off-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>