Re: [PATCH 07/10] ipmi: kcs_bmc: Disassociate client from device lifetimes

From: Andrew Jeffery
Date: Sun Nov 05 2023 - 18:02:06 EST


On Fri, 2023-11-03 at 14:51 +0000, Jonathan Cameron wrote:
> On Fri, 3 Nov 2023 16:45:19 +1030
> Andrew Jeffery <andrew@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> > KCS client modules may be removed by actions unrelated to KCS devices.
> > As usual, removing a KCS client module requires unbinding all client
> > instances from the underlying devices to prevent further use of the code.
> >
> > Previously, KCS client resource lifetimes were tied to the underlying
> > KCS device instance with the use of `devm_k[mz]alloc()` APIs. This
> > requires the use of `devm_free()` as a consequence. It's necessary to
> > scrutinise use of explicit `devm_free()`s because they generally
> > indicate there's a concerning corner-case in play, but that's not really
> > the case here. Switch to explicit kmalloc()/kfree() to align
> > expectations with the intent of the code.
> >
> > Signed-off-by: Andrew Jeffery <andrew@xxxxxxxxxxxxxxxxxxxx>
> Bit more unrelated white space stuff in here that ideally wouldn't be there.

Ack, I'll address that for v2.

> Otherwise makes sense to me.
>
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>

Thanks,

Andrew