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Don't segfault if referring to a relative output where no modes survived.

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This commit is contained in:
Matthias Hopf 2007-11-23 16:12:49 +01:00
parent fa19e84714
commit f6401f944d
1 changed files with 10 additions and 0 deletions
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10
hw/xfree86/modes/xf86Crtc.c
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@ -1079,6 +1079,16 @@ xf86InitialOutputPositions (ScrnInfoPtr scrn, DisplayModePtr *modes)
any_set = TRUE;
continue;
}
if (!modes[or])
{
xf86DrvMsg (scrn->scrnIndex, X_ERROR,
"Cannot position output %s relative to output %s without modes\n",
output->name, relative_name);
output->initial_x = 0;
output->initial_y = 0;
any_set = TRUE;
continue;
}
if (relative->initial_x == POSITION_UNSET)
{
keep_going = TRUE;