[PATCH v2 0/3] drm/mst: Fix sideband msg reception error path

Lyude Paul lyude at redhat.com
Wed Jul 19 18:16:35 UTC 2017


On Wed, 2017-07-19 at 14:43 +0300, Imre Deak wrote:
> This is a resend of the last two patches from [1], addressing Lyude's
> comments and adding his R-bs. The first patch in [1] isn't needed any
It's "her" by the way :P.

Also would you mind resending this with a Cc to stable at vger.kernel.org
after seeing if this can be backported? This is probably something we
should get into the stable kernel as well.

> more. Patch 3 is a fix for a related issue I noticed since the
> original
> patchset.
> 
> https://lists.freedesktop.org/archives/dri-devel/2016-May/107420.html
> 
> Cc: Dave Airlie <airlied at redhat.com>
> Cc: Lyude <lyude at redhat.com>
> Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
> 
> Imre Deak (3):
>   drm/mst: Fix error handling during MST sideband message reception
>   drm/mst: Avoid dereferencing a NULL mstb in
> drm_dp_mst_handle_up_req()
>   drm/mst: Avoid processing partially received up/down message
>     transactions
> 
>  drivers/gpu/drm/drm_dp_mst_topology.c | 34
> ++++++++++++++++++++++++++--------
>  1 file changed, 26 insertions(+), 8 deletions(-)
> 


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