This reverts commit 
3eb14ea8d958 ("igb: Fix a deadlock in
igb_sriov_reinit")
It is the same as commit 
f468adc944ef ("igb: missing rtnl_unlock in
igb_sriov_reinit()")
There is no rtnl_lock() in igb_resume before, rtnl_unlock will cause a
deadlock.
Signed-off-by: Arika Chen <arika.chen@huawei.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
 
        if (igb_init_interrupt_scheme(adapter, true)) {
                dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
-               rtnl_unlock();
                return -ENOMEM;
        }