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Message-ID: <e5a67378554d5434124f637189409a3c3bca3915.camel@codeconstruct.com.au>
Date: Mon, 06 Nov 2023 09:31:59 +1030
From: Andrew Jeffery <andrew@...econstruct.com.au>
To: Jonathan Cameron <Jonathan.Cameron@...wei.com>
Cc: minyard@....org, openipmi-developer@...ts.sourceforge.net,
linux-kernel@...r.kernel.org, aladyshev22@...il.com,
jk@...econstruct.com.au
Subject: Re: [PATCH 07/10] ipmi: kcs_bmc: Disassociate client from device
lifetimes
On Fri, 2023-11-03 at 14:51 +0000, Jonathan Cameron wrote:
> On Fri, 3 Nov 2023 16:45:19 +1030
> Andrew Jeffery <andrew@...econstruct.com.au> 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@...econstruct.com.au>
> 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@...wei.com>
Thanks,
Andrew
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