[PATCH 4.15 12/23] rocker: fix possible null pointer dereference in rocker_router_fib_event_work

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Jiri Pirko [ Upstream commit a83165f00f16c0e0ef5b7cec3cbd0d4788699265 ] Currently, rocker user may experience following null pointer derefence bug: [3.062141] BUG:

[PATCH 4.15 12/23] rocker: fix possible null pointer dereference in rocker_router_fib_event_work

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Jiri Pirko [ Upstream commit a83165f00f16c0e0ef5b7cec3cbd0d4788699265 ] Currently, rocker user may experience following null pointer derefence bug: [3.062141] BUG: unable to handle