| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 216/342] drm: fix missing reference counting decrease | Date | Tue, 01 Mar 2016 23:54:56 +0000 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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From: Insu Yun <wuninsu@gmail.com>
commit dabe19540af9e563d526113bb102e1b9b9fa73f9 upstream.
In drm_dp_mst_allocate_vcpi, it returns true in two paths, but in one path, there is no reference couting decrease.
Signed-off-by: Insu Yun <wuninsu@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/gpu/drm/drm_dp_mst_topology.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -2463,6 +2463,7 @@ bool drm_dp_mst_allocate_vcpi(struct drm DRM_DEBUG_KMS("payload: vcpi %d already allocated for pbn %d - requested pbn %d\n", port->vcpi.vcpi, port->vcpi.pbn, pbn); if (pbn == port->vcpi.pbn) { *slots = port->vcpi.num_slots; + drm_dp_put_port(port); return true; } }
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