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authorEric W. Biederman <ebiederm@xmission.com>2014-03-14 18:03:50 -0700
committerDavid S. Miller <davem@davemloft.net>2014-03-14 22:52:47 -0400
commitcb013ea12cf71fe5ec2f7939909cec4491409724 (patch)
tree3ac4ccf0b78811d448844c5a3bbb9a3dbcb5d52f /drivers/net/ethernet/ibm
parent9b2c05713edb56a338536ab26541e155763c0961 (diff)
ibmveth: 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>
Diffstat (limited to 'drivers/net/ethernet/ibm')
-rw-r--r--drivers/net/ethernet/ibm/ibmveth.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c
index 1fc8334fc181..e75bdfcd1374 100644
--- a/drivers/net/ethernet/ibm/ibmveth.c
+++ b/drivers/net/ethernet/ibm/ibmveth.c
@@ -1072,7 +1072,7 @@ static int ibmveth_poll(struct napi_struct *napi, int budget)
unsigned long lpar_rc;
restart_poll:
- do {
+ while (frames_processed < budget) {
if (!ibmveth_rxq_pending_buffer(adapter))
break;
@@ -1121,7 +1121,7 @@ restart_poll:
netdev->stats.rx_bytes += length;
frames_processed++;
}
- } while (frames_processed < budget);
+ }
ibmveth_replenish_task(adapter);