ipacm: add NULL check on conntrack de-registration

Add NULL check when unregistering with conntrack to
release filters and handles.

CRs-fixed: 2068687
Bug: 34361337
Test: manual

Change-Id: I8f48be78ebf6f0972d82d0da793f4ff898682aa8
Signed-off-by: Skylar Change <chiaweic@codeaurora.org>
Signed-off-by: Niranjan Pendharkar <npendhar@codeaurora.org>
1 file changed
tree: f468d15aa99f43868ff1f126ab5d719dc2d63853
  1. msm8998/
  2. Android.mk