These functions are supposed to return one on failure and zero on
success.  Returning a zero here could cause uninitialized variable
bugs in several of the callers.  For example:
    drivers/scsi/cxgbi/cxgb4i/cxgb4i.c:1660 get_iscsi_dcb_priority()
    error: uninitialized symbol 'caps'.
Fixes: 48365e485275 ("qlcnic: dcb: Add support for CEE Netlink interface.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
        struct qlcnic_adapter *adapter = netdev_priv(netdev);
 
        if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state))
-               return 0;
+               return 1;
 
        switch (capid) {
        case DCB_CAP_ATTR_PG: