This is a note to let you know that I've just added the patch titled
drm: fix missing reference counting decrease
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-fix-missing-reference-counting-decrease.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From dabe19540af9e563d526113bb102e1b9b9fa73f9 Mon Sep 17 00:00:00 2001
From: Insu Yun <wuninsu@xxxxxxxxx>
Date: Mon, 1 Feb 2016 11:08:29 -0500
Subject: drm: fix missing reference counting decrease
From: Insu Yun <wuninsu@xxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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;
}
}
Patches currently in stable-queue which might be from wuninsu@xxxxxxxxx are
queue-4.4/drm-fix-missing-reference-counting-decrease.patch
queue-4.4/tipc-unlock-in-error-path.patch
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