msm: ipa: Protect ipa default routing table

Protect ipa default routing table from
addition, deletion and modification once after
default rule added by ipa-driver.

Change-Id: I045d9c29fed23edf796d826e440b81124e1f666a
Signed-off-by: Mohammed Javid <mjavid@codeaurora.org>
[haggertk: Backport to 3.4/msm8974]
CVE-2018-13900
Signed-off-by: Kevin F. Haggerty <haggertk@lineageos.org>
1 file changed