patch: fix DRM on XFree86 4.3/Debian

[Dave Airlie <airlied@skynet.ie>]

Hi,
	This patch fixes an issue with XFree86 4.3 not starting properly
on Debian sarge with a 2.6.11 kernel and I think it should be in stable,
it has been in DRM CVS and in 2.6.12-rc2 for a while now...

Signed-off-by: Dave Airlie <airlied@linux.ie>

diff -Naru a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c
--- a/drivers/char/drm/drm_drv.c	2005-04-28 03:56:32 -07:00
+++ b/drivers/char/drm/drm_drv.c	2005-04-28 03:56:32 -07:00
@@ -144,6 +144,12 @@
 	if (dev->driver->pretakedown)
 	  dev->driver->pretakedown(dev);

+	if (dev->unique) {
+		drm_free(dev->unique, strlen(dev->unique) + 1, DRM_MEM_DRIVER);
+		dev->unique = NULL;
+		dev->unique_len = 0;
+	}
+
 	if ( dev->irq_enabled ) drm_irq_uninstall( dev );

 	down( &dev->struct_sem );
-
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