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ibmvnic: Correct return code checking for ibmvnic_init during probe

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The update to ibmvnic_init to allow an EAGAIN return code broke
the calling of ibmvnic_init from ibmvnic_probe. The code now
will return from this point in the probe routine if anything
other than EAGAIN is returned. The check should be to see if rc
is non-zero and not equal to EAGAIN.

Without this fix, the vNIC driver can return 0 (success) from
its probe routine due to ibmvnic_init returning zero, but before
completing the probe process and registering with the netdev layer.

Fixes: 6a2fb0e99f (ibmvnic: driver initialization for kdump/kexec)
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nathan Fontenot 2017-06-21 15:41:02 -05:00 committed by David S. Miller
parent 9995bac585
commit 6d65923765
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/ibm/ibmvnic.c
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@ -3726,7 +3726,7 @@ static int ibmvnic_probe(struct vio_dev *dev, const struct vio_device_id *id)
do {
rc = ibmvnic_init(adapter);
if (rc != EAGAIN) {
if (rc && rc != EAGAIN) {
free_netdev(netdev);
return rc;
}