igb: Don't receive packets when the napi budget == 0
authorEric W. Biederman <ebiederm@xmission.com>
Sat, 15 Mar 2014 01:00:06 +0000 (18:00 -0700)
committerDavid S. Miller <davem@davemloft.net>
Sat, 15 Mar 2014 02:52:47 +0000 (22:52 -0400)
commit57ba34c9b068f314b219affafc19a39f8735d5e8
treeacad4553c6cb2095deffbddc42b8d9a13a732b01
parent390f86dfbd3e7c4579aaa88281149e1cbac88a2d
igb: 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>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/intel/igb/igb_main.c