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Date:   Thu, 29 Jun 2023 17:29:03 +0200
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     Helge Deller <deller@gmx.de>
Cc:     stable@vger.kernel.org, Sasha Levin <sashal@kernel.org>
Subject: Re: [PATCH][for-4.14] fbdev: imsttfb: Fix use after free bug in
 imsttfb_probe
Message-ID: <2023062948-deface-banker-462d@gregkh>
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On Thu, Jun 29, 2023 at 04:45:41PM +0200, Helge Deller wrote:
> Hi Greg,
> 
> below is the manual backport of an upstream patch to fix the build failure
> in kernel v4.14 in imsttfb.c.
> 
> It's not sufficient to just return from init_imstt() as the kernel then
> may crash later when it tries to access the non-existent framebuffer or
> cmap. Instead return failure to imsttfb_probe() so that the kernel
> will skip using that hardware/driver.
> 
> Can you please apply this patch to the v4.14 stable queue?

Now queued up, thanks!

greg k-h