On 03/12/2018 02:01 PM, Andrew Lunn wrote: > On Mon, Mar 12, 2018 at 01:47:51PM -0500, John Allen wrote: >> If the driver is already in the "open" state, don't attempt the procedure >> for opening the driver. >> >> Signed-off-by: John Allen <jal...@linux.vnet.ibm.com> >> --- >> diff --git a/drivers/net/ethernet/ibm/ibmvnic.c >> b/drivers/net/ethernet/ibm/ibmvnic.c >> index 7be4b06..98c4f75 100644 >> --- a/drivers/net/ethernet/ibm/ibmvnic.c >> +++ b/drivers/net/ethernet/ibm/ibmvnic.c >> @@ -1057,6 +1057,9 @@ static int ibmvnic_open(struct net_device *netdev) >> >> mutex_lock(&adapter->reset_lock); >> >> + if (adapter->state == VNIC_OPEN) >> + return 0; >> + > > I've not looked at the actual code, but what about the lock it just > took and does not unlock before returning? Ah yes, I missed that. I will update and send a new version.
> > Andrew >