ipv[46]: do compat setsockopt for MCAST_{JOIN,LEAVE}_GROUP directly

direct parallel to the way these two are handled in the native
->setsockopt() instances - the helpers that do the real work
are already separated and can be reused as-is in this case.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2020-04-26 19:56:22 -04:00
commit 2f984f11fd
2 changed files with 59 additions and 0 deletions