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monitor-config-migration: Discard if configured mode is missing

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If a configuration key matched a current system state, but no monitor
mode was found (for example because of an incorrect refresh rate),
discard it while logging a warning.

https://bugzilla.gnome.org/show_bug.cgi?id=787668
This commit is contained in:
Jonas Ådahl 2017-09-25 17:57:18 -04:00
parent 9000eef49d
commit 43eeb009ce
1 changed files with 7 additions and 0 deletions
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7
src/backends/meta-monitor-config-migration.c
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@ -1208,6 +1208,13 @@ meta_finish_monitors_config_migration (MetaMonitorManager *monitor_manager,
monitor_mode_spec = monitor_config->mode_spec;
monitor_mode = meta_monitor_get_mode_from_spec (monitor,
monitor_mode_spec);
if (!monitor_mode)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Mode not available on monitor");
return FALSE;
}
scale = meta_monitor_calculate_mode_scale (monitor, monitor_mode);
logical_monitor_config->scale = scale;