User`s guide

Chapter IX. FCoE Full Offload Initiator
Chelsio T5/T4 Unified Wire For Linux Page 150
3. Software/Driver Unloading
To unload the driver:
[root@host]# modprobe -r csiostor
If multipath services are running, unload of FCoE driver is not possible. Stop the
multipath service and then unload the driver.
Note