[lwip-devel] [bug #52796] ip6_addr_cmp() should not compare zones for all addresses

[Erik Ekman]

Follow-up Comment #3, bug #52796 (project lwip):

The ip6_addr_assign_zone() function is used to set zones, and it only does it
for addresses with certain scope. It is therefore safe to compare both the
address and zone in all cases.

MDNS is special since it compared a link-local multicast address received from
a zone/netif with the same address that had just been initialized (=zone 0).
If the address is 'normal' (not a multicast or link-local), the cmp_zoneless
is not required.

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