As the endpoint is unregistered there might still be work pending to
handle incoming messages, which will result in a use after free
scenario. The plan is to remove the rx_worker, but until then (and for
stable@) ensure that the work is stopped before the node is freed.
Fixes: bdabad3e ("net: Add Qualcomm IPC router")
Signed-off-by: Bjorn Andersson <email@example.com>
Signed-off-by: Jakub Kicinski <firstname.lastname@example.org>