From: Nathan Fontenot Date: Fri, 26 May 2017 14:30:54 +0000 (-0400) Subject: ibmvnic: Check adapter state during ibmvnic_poll X-Git-Tag: v4.13-rc1~157^2~356^2~3 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=152ce47dc48280182ab58539a721dadb3d7a8575;p=karo-tx-linux.git 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 Signed-off-by: David S. Miller --- 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]);