service: graph: Set graph handle to NULL after free

Graph_handle is not set to NULL after free at different places.
This leads to memory access to freed memory. Set graph_handle to
NULL to fix the issue.

Change-Id: I7d3fd756ab32bf1894a5466762dccecc17c51515
1 file changed
tree: 58cfe955db03de75c58f39b7d78307b483b38d68
  1. ipc/
  2. plugins/
  3. service/
  4. snd_parser/
  5. Android.mk
  6. NOTICE
  7. README.md
README.md

agm

Audio Graph Manager