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ibmvnic: Fix error recovery on login failure

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[ Upstream commit 3578a7ecb6 ]

Testing has uncovered a failure case that is not handled properly. In the
event that a login fails and we are not able to recover on the spot, we
return 0 from do_reset, preventing any error recovery code from being
triggered.  Additionally, the state is set to "probed" meaning that when we
are able to trigger the error recovery, the driver always comes up in the
probed state. To handle the case properly, we need to return a failure code
here and set the adapter state to the state that we entered the reset in
indicating the state that we would like to come out of the recovery reset
in.

Signed-off-by: John Allen <jallen@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
John Allen 2018-07-16 10:29:30 -05:00 committed by Greg Kroah-Hartman
parent a6c35a5c87
commit 2daadcdc58
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/ibm/ibmvnic.c
View file

@ -1463,8 +1463,8 @@ static int do_reset(struct ibmvnic_adapter *adapter,
rc = ibmvnic_login(netdev);
if (rc) {
adapter->state = VNIC_PROBED;
return 0;
adapter->state = reset_state;
return rc;
}
rc = reset_tx_pools(adapter);