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ibmvnic: Do not disable device during failover or partition migration

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During a device failover or partition migration reset, it is not
necessary to disable the backing adapter since it should not be
running yet and its Command-Response Queue is closed. Sending
device commands during this time could result in an error or
timeout disrupting the reset process. In these cases, just halt
transmissions, clean up resources, and continue with reset.

Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Falcon 2018-03-07 17:51:47 -06:00 committed by David S. Miller
parent 01d9bd792d
commit 18b8d6bbad
1 changed files with 7 additions and 4 deletions
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11
drivers/net/ethernet/ibm/ibmvnic.c
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@ -1653,12 +1653,15 @@ static int do_reset(struct ibmvnic_adapter *adapter,
rc = ibmvnic_reenable_crq_queue(adapter);
if (rc)
return 0;
ibmvnic_cleanup(netdev);
} else if (rwi->reset_reason == VNIC_RESET_FAILOVER) {
ibmvnic_cleanup(netdev);
} else {
rc = __ibmvnic_close(netdev);
if (rc)
return rc;
}
rc = __ibmvnic_close(netdev);
if (rc)
return rc;
if (adapter->reset_reason == VNIC_RESET_CHANGE_PARAM ||
adapter->wait_for_reset) {
release_resources(adapter);