[PATCH 4.9 054/171] bnxt_en: Dont use rtnl lock to protect link change logic in workqueue.

4.9-stable review patch. If anyone has any objections, please let me know. -- [ Upstream commit e2dc9b6e38fa3919e63d6d7905da70ca41cbf908 ] As a further improvement to the PF/VF link change logic, use a private mutex instead of the rtnl lock to protect link change logic. With

[PATCH 4.9 054/171] bnxt_en: Dont use rtnl lock to protect link change logic in workqueue.

4.9-stable review patch. If anyone has any objections, please let me know. -- [ Upstream commit e2dc9b6e38fa3919e63d6d7905da70ca41cbf908 ] As a further improvement to the PF/VF link change logic, use a private mutex instead of the rtnl lock to protect link change logic. With