tree bcccffbe550ad0b02040d8fbb4dd78324d84c0eb
parent 119be4161d370f95f45cd3908d79bb81b5ae13f9
author Sergey Ulanov <sergeyu@chromium.org> 1531445384 -0700
committer Sergey Ulanov <sergeyu@chromium.org> 1531761365 -0700

[netstack] Fix setsockopt() to handle ip_mreq.imr_address=INADDR_ANY

Previosly setsockopt(IP_ADD_MEMBERSHIP) worked only when imr_address
is set to an interface address, but it should allow INADDR_ANY when an
interface id is specified. Also fixed IP_DROP_MEMBERSHIP.

Change-Id: Ic9ff0b6a13f5d25e311b699ae86b7708b2f45042