netxen: fix netxen_nic_poll() logic
authorEric Dumazet <edumazet@google.com>
Thu, 22 Jan 2015 15:56:18 +0000 (07:56 -0800)
committerDavid S. Miller <davem@davemloft.net>
Sun, 25 Jan 2015 08:21:45 +0000 (00:21 -0800)
commit6088beef3f7517717bd21d90b379714dd0837079
tree442e30aec6647e2aee0343f6bc328dfd2e51b98b
parentf104fedc0da126abe93dd0f4a9fa13e5133bf9df
netxen: fix netxen_nic_poll() logic

NAPI poll logic now enforces that a poller returns exactly the budget
when it wants to be called again.

If a driver limits TX completion, it has to return budget as well when
the limit is hit, not the number of received packets.

Reported-and-tested-by: Mike Galbraith <umgwanakikbuti@gmail.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Fixes: d75b1ade567f ("net: less interrupt masking in NAPI")
Cc: Manish Chopra <manish.chopra@qlogic.com>
Acked-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c