It is still actively being used by malware.
This largely handles 3.0, 3.4, and 3.10 kernels.
It works for select 3.18 kernels too.
TODO: need alternate get_file_rcu backport for the following:
15.1/lge_msm8996
15.1/zte_msm8996
16.0/xiaomi_msm8937
17.1/motorola_msm8996
18.1/google_marlin
18.1/lge_msm8996
18.1/oneplus_msm8996
Signed-off-by: Tad <tad@spotco.us>