tree a13da4fc1004d5503b3e9c71b736f259deb0ee75
parent 5e5d49422dfb035ca9e280cd61d434095c151272
author Jia-Ju Bai <baijiaju1990@163.com> 1438572986 +0800
committer Jeff Kirsher <jeffrey.t.kirsher@intel.com> 1439931965 -0700

igb: Fix a deadlock in igb_sriov_reinit

When igb_init_interrupt_scheme in igb_sriov_reinit is failed, the lock
acquired by rtnl_lock() is not released, which causes a deadlock.
This patch adds rtnl_unlock() in error handling to fix it.

Signed-off-by: Jia-Ju Bai <baijiaju1990@163.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>