From: Alex Williamson <alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Jordan Crouse <jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
Cc: linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
Subject: Re: [PATCH] iommu: Check the result of iommu_group_get() for NULL
Date: Wed, 20 Dec 2017 12:02:31 -0700 [thread overview]
Message-ID: <20171220120231.6c6f15e3@t450s.home> (raw)
In-Reply-To: <1512408130-24833-1-git-send-email-jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
On Mon, 4 Dec 2017 10:22:10 -0700
Jordan Crouse <jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> wrote:
> The result of iommu_group_get() was being blindly used in both
> attach and detach which results in a dereference when trying
> to work with an unknown device.
>
> Signed-off-by: Jordan Crouse <jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
> ---
> drivers/iommu/iommu.c | 5 +++++
> 1 file changed, 5 insertions(+)
Applied to v4.16-iommu/misc. Thanks,
Alex
next prev parent reply other threads:[~2017-12-20 19:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-04 17:22 [PATCH] iommu: Check the result of iommu_group_get() for NULL Jordan Crouse
[not found] ` <1512408130-24833-1-git-send-email-jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2017-12-20 19:02 ` Alex Williamson [this message]
2018-01-09 17:15 ` Robin Murphy
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