Re: [PATCH] ipv4: Introduce ipip_offload_init helper function.

From: Tonghao Zhang <redacted>
Date: Wed,  2 Aug 2017 09:34:15 -0700

It's convenient to init ipip offload. We will check
the return value, and print KERN_CRIT info on failure.

Signed-off-by: Tonghao Zhang <redacted>

Applied.