diff options
| author | Nathan Fontenot <nfont@linux.vnet.ibm.com> | 2017-05-26 10:30:54 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-05-26 15:32:46 -0400 |
| commit | 152ce47dc48280182ab58539a721dadb3d7a8575 (patch) | |
| tree | cc3252c6e9fb92b4a768a70f45b5b957a19f9a2e | |
| parent | f185a49a77bd34309fd6af6c5c7695386d010534 (diff) | |
ibmvnic: Check adapter state during ibmvnic_poll
We do not want to process any receive frames if the ibmvnic_poll
routine is invoked while a reset is in process. Also, before
replenishing the rx pools in the ibmvnic_poll, we want to
make sure the adapter is not in the process of closing.
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/ibm/ibmvnic.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 47421e4052c3..760352f7f98d 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -1435,6 +1435,10 @@ static int ibmvnic_poll(struct napi_struct *napi, int budget) struct ibmvnic_adapter *adapter = netdev_priv(netdev); int scrq_num = (int)(napi - adapter->napi); int frames_processed = 0; + + if (adapter->resetting) + return 0; + restart_poll: while (frames_processed < budget) { struct sk_buff *skb; @@ -1493,7 +1497,9 @@ restart_poll: netdev->stats.rx_bytes += length; frames_processed++; } - replenish_rx_pool(adapter, &adapter->rx_pool[scrq_num]); + + if (adapter->state != VNIC_CLOSING) + replenish_rx_pool(adapter, &adapter->rx_pool[scrq_num]); if (frames_processed < budget) { enable_scrq_irq(adapter, adapter->rx_scrq[scrq_num]); |