Jonas Ådahl 9fa56176fd monitor-manager-xrandr: Don't try to disable disabled CRTC
When applying a configuration to XRANDR, we first disable CRTCs that
happen to extend outside of the to-be X11 screen size. While doing so,
we fail to actually check whether the CRTC is active or not, meaning
we'll try to query the content of the CRTC configuration even though it
has none, leading to a NULL pointer dereference.

Fix this by simply ignoring non-configured CRTCs.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1093
2020-02-26 16:14:04 +01:00
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