Re: [PATCH for-rc 1/2] IB/hfi1: Fix memory leaks in sysfs registration and unregistration

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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



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