mpls: remove test against ipv6_stub
ipv6_stub is never NULL, let's remove this test.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260228175715.1195536-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
authored by