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| author | Gerd Hoffmann | 2018-03-08 17:18:03 +0100 |
|---|---|---|
| committer | Gerd Hoffmann | 2018-03-12 09:00:59 +0100 |
| commit | 2e5567c903ad05d312de0c3188cb2d3b856fa4c4 (patch) | |
| tree | 1b6a308596eb1d796a58fcae729f3ac8f58c45b0 /scripts/analyze-migration.py | |
| parent | ui/gtk-egl: add cursor_dmabuf support (diff) | |
| download | qemu-2e5567c903ad05d312de0c3188cb2d3b856fa4c4.tar.gz qemu-2e5567c903ad05d312de0c3188cb2d3b856fa4c4.tar.xz qemu-2e5567c903ad05d312de0c3188cb2d3b856fa4c4.zip | |
vnc: deal with surface NULL pointers
Secondary displays in multihead setups are allowed to have a NULL
DisplaySurface. Typically user interfaces handle this by hiding the
window which shows the display in question.
This isn't an option for vnc though because it simply hasn't a concept
of windows or outputs. So handle the situation by showing a placeholder
DisplaySurface instead. Also check in console_select whenever a surface
is preset in the first place before requesting an update.
This fixes a segfault which can be triggered by switching to an unused
display (via vtrl-alt-<nr>) in a multihead setup, for example using
-device virtio-vga,max_outputs=2.
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-id: 20180308161803.6152-1-kraxel@redhat.com
Diffstat (limited to 'scripts/analyze-migration.py')
0 files changed, 0 insertions, 0 deletions