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6631463b6e
Now these upper layer protocol handlers can be called from llc_rcv()
as sap->rcv_func(), which is registered by llc_sap_open().
* function which is passed to register_8022_client()
-> no in-kernel user calls register_8022_client().
* snap_rcv()
`- proto->rcvfunc() : registered by register_snap_client()
-> aarp_rcv() and atalk_rcv() drop packets from non-root netns
* stp_pdu_rcv()
`- garp_protos[]->rcv() : registered by stp_proto_register()
-> garp_pdu_rcv() and br_stp_rcv() are netns-aware
So, we can safely remove the netns restriction in llc_rcv().
Fixes: e730c15519d0 ("[NET]: Make packet reception network namespace safe")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>