8139cp: Don't receive packets when the napi budget == 0
authorEric W. Biederman <ebiederm@xmission.com>
Tue, 11 Mar 2014 21:31:43 +0000 (14:31 -0700)
committerDavid S. Miller <davem@davemloft.net>
Thu, 13 Mar 2014 19:18:45 +0000 (15:18 -0400)
commit50ff44be401b4d78388024b3e425e979904f304e
tree5a97cf7f32ec371a55bcb0f5eb4f8105eb41e493
parent310c4d4e23d191156810f402c747e5e17c4dc0b1
8139cp: Don't receive packets when the napi budget == 0

Processing any incoming packets with a with a napi budget of 0
is incorrect driver behavior.

This matters as netpoll will shortly call drivers with a budget of 0
to avoid receive packet processing happening in hard irq context.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/realtek/8139cp.c