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xorg-x11-server/commit-f6401f9.diff

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commit f6401f944d327cc5d9a7ee0bbdf4f7fc8eaa31e8
Author: Matthias Hopf <mhopf@suse.de>
Date: Fri Nov 23 16:12:49 2007 +0100
Don't segfault if referring to a relative output where no modes survived.
diff --git a/hw/xfree86/modes/xf86Crtc.c b/hw/xfree86/modes/xf86Crtc.c
index 5a1ed8c..8595d96 100644
--- a/hw/xfree86/modes/xf86Crtc.c
+++ b/hw/xfree86/modes/xf86Crtc.c
@@ -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;