[PATCH 4.4 40/86] mei: fix NULL dereferencing during FW initiated disconnection

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Alexander Usyskin commit 6a8d648c8d1824117a9e9edb948ed1611fb013c0 upstream. In the case when disconnection is initiated from the FW the driver is flushing items

[PATCH 4.4 40/86] mei: fix NULL dereferencing during FW initiated disconnection

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Alexander Usyskin commit 6a8d648c8d1824117a9e9edb948ed1611fb013c0 upstream. In the case when disconnection is initiated from the FW the driver is flushing items from the write control list