0fc752119d
In situations where there are multiple flush requests, a double-free of buffer tracker occurs when the sync callback which operates in a workqueue contexts interrupts an ongoing flush request operation. This change provides the fix to prevent it from happening. CRs-Fixed: 3554278 Change-Id: I675b22b76c0f10fcf1808dc3fe0bc48ebd19a2e4 Signed-off-by: Li Sha Lim <quic_lishlim@quicinc.com>