When we call inet_bhash2_update_saddr(), prev_saddr is always non-NULL.
Let's remove the unnecessary test.
Signed-off-by: NKuniyuki Iwashima <kuniyu@amazon.com>
Acked-by: NJoanne Koong <joannelkoong@gmail.com>
Reviewed-by: NEric Dumazet <edumazet@google.com>
Signed-off-by: NJakub Kicinski <kuba@kernel.org>