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Groups > linux.kernel > #1347297
| From | Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 4.4 216/342] drm: fix missing reference counting decrease |
| Date | 2016-03-02 01:40 +0100 |
| Message-ID | <r82ZC-8hp-49@gated-at.bofh.it> (permalink) |
| References | <r82mS-7Ml-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
4.4-stable review patch. If anyone has any objections, please let me know.
------------------
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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[PATCH 4.4 216/342] drm: fix missing reference counting decrease Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-03-02 01:40 +0100
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