Re: ipv6: remove unnecessary inet6_sk check

From: Dave Jones <redacted>
Date: Wed, 28 Dec 2016 11:53:18 -0500

np is already assigned in the variable declaration of ping_v6_sendmsg.
At this point, we have already dereferenced np several times, so the
NULL check is also redundant.

Suggested-by: Eric Dumazet <redacted>
Signed-off-by: Dave Jones <redacted>

Applied, thanks Dave.