linux-kernel - Re: [PATCH] bus: mvebu-mbus: make iounmap() symmetric with ioremap()

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Date:   Thu, 12 Nov 2020 09:02:02 +0100
From:   Thomas Petazzoni <thomas.petazzoni@...tlin.com>
To:     Chris Packham <chris.packham@...iedtelesis.co.nz>
Cc:     akpm@...ux-foundation.org, rppt@...nel.org,
        thomas.petazzoni@...e-electrons.com, arnd@...db.de,
        jason@...edaemon.net, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] bus: mvebu-mbus: make iounmap() symmetric with
 ioremap()

On Thu, 12 Nov 2020 16:21:49 +1300
Chris Packham <chris.packham@...iedtelesis.co.nz> wrote:

> make coccicheck complains:
> 
>   ./drivers/bus/mvebu-mbus.c:1113:2-8: ERROR: missing iounmap; ioremap on line 1106 and execution via conditional on line 1111
> 
> It took some staring but I don't think there is a problem because the
> file global `mbus_state` is passed mvebu_mbus_common_init() as the
> `mbus` parameter so `mbus_state.mbuswins_base` and `mbus->mbuswins_base`
> are the same thing. But this is confusing for anyone reading the code
> and one less complaint from coccicheck would be nice so lets fix it.
> 
> Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>

Acked-by: Thomas Petazzoni <thomas.petazzoni@...tlin.com>

Thanks!

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com