linux-kernel - Re: [PATCH v1] drm/bochs: fix an issue of ioremap() leak

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Message-ID: <20200423101420.ityynrorrehjvxrs@sirius.home.kraxel.org>
Date:   Thu, 23 Apr 2020 12:14:20 +0200
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     Dejin Zheng <zhengdejin5@...il.com>
Cc:     Andy Shevchenko <andy.shevchenko@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        virtualization@...ts.linux-foundation.org,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1] drm/bochs: fix an issue of ioremap() leak

  Hi,

> I am a newbie, andy gave me some directions to submit the patch, eg: check
> ioremap leak. At this time, I found that the bochs driver may have similar
> problems, so I submitted this patch, then, Andy said the best is to switch
> this driver to use pcim _ * () functions and drop tons of legacy code.
> I think we might be able to fix this issue first, after that, drop tons
> of legacy code by pcim_*() functions. Can you give me some suggestions?
> thank you very much!

drm has drmm_* functions for that.  Daniel Vetter <daniel@...ll.ch> has
a patch series pending switching lots of drivers over and IIRC it fixes
this bug too.

cheers,
  Gerd