xserver: Branch 'transform-proposal'

[Keith Packard]

 randr/rrcrtc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

New commits:
commit 436a549e7355c5ddd49086390099d2baca16fde8
Author: Keith Packard <keithp at keithp.com>
Date:   Sun Mar 30 19:05:07 2008 -0700

    [randr] don't try to compute crtc transform when no mode is set.
    
    Dereferencing the NULL mode pointer would cause a crash. As these transform
    matrices won't be used while the CRTC is disabled, just leave their values
    alone.

diff --git a/randr/rrcrtc.c b/randr/rrcrtc.c
index f702a36..12c027d 100644
--- a/randr/rrcrtc.c
+++ b/randr/rrcrtc.c
@@ -233,7 +233,7 @@ RRCrtcNotify (RRCrtcPtr	    crtc,
 	RRTransformCopy (&crtc->client_current_transform, transform);
 	RRCrtcChanged (crtc, TRUE);
     }
-    if (crtc->changed)
+    if (crtc->changed && mode)
     {
 	RRTransformCompute (x, y,
 			    mode->mode.width, mode->mode.height,