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| author | Imre Deak <imre.deak@intel.com> | 2017-07-19 14:43:29 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-07-28 01:06:09 +0300 |
| commit | 3d26e2ed7c8b4b1a0d9406fef7f3b5d6309fba49 (patch) | |
| tree | 8a0666b681ae4006c95de7b2bfc9e690c73105ca /drivers/hsi | |
| parent | 3383334a6cf38af6843793e343c95081b02773f1 (diff) | |
| download | linux-3d26e2ed7c8b4b1a0d9406fef7f3b5d6309fba49.tar.xz | |
drm/mst: Avoid dereferencing a NULL mstb in drm_dp_mst_handle_up_req()
commit 7f8b3987da54cb4d41ad2545cd4d7958b9a36bdf upstream.
In case of an unknown broadcast message is sent mstb will remain unset,
so check for this.
Cc: Dave Airlie <airlied@redhat.com>
Cc: Lyude <lyude@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Lyude <lyude@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20170719114330.26540-3-imre.deak@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hsi')
0 files changed, 0 insertions, 0 deletions