On Thu, Mar 26, 2020 at 10:24:51PM +0000, Wan, Kaike wrote: > > To see if there is an issue here delete the kobject_del and kobject_put > > entirely to leave a dangling sysfs during registration and see if ib device > > unregistration explodes. > I tried a patch wherein the function hfi1_verbs_unregister_sysfs() > is never called at all and when unloading the driver the ib device > un-registration went through smoothly(no error, the > /sys/class/infiniband/hfi1_0 directory gone). Only kmemleak > complaints were observed. Then perhaps there is nothing to worry about and the patches are fine Jason
