tree 56cb73a9204bdf3bd3019b7d5d0eb43ea89f6ce6
parent 2ea16ffc94dde200c2ab84c83210b82b1a953860
author Carter Hsu <carterhsu@google.com> 1571623097 +0800
committer android-build-team Robot <android-build-team-robot@google.com> 1573854213 +0000

audio: free and assign NULL to global static device pointer

From: Preetam Singh Ranawat <apranawat@codeaurora.org>
Date: Mon, 24 Jun 2019 15:11:28 +0530
Subject: audio: free and assign NULL to global static device pointer

 -free and assign NULL to global static device pointer instead of local
  pointer to avoid use after free issue.

Bug: 142267478
Test: manual
Change-Id: I6f64fe0f6034844279c9a481726426dc5b989b41
(cherry picked from commit 73d6b59977595c1d0a222a1656f298e7991e43b9)