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xfree86: workaround crash on close 

Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=41653

Signed-off-by: Michal Suchanek <hramrach@gmail.com>
Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com>
This commit is contained in:
Michal Suchanek 2012-03-28 18:12:39 -07:00 committed by Jeremy Huddleston
parent 641a1b9363
commit 55f552adb6
1 changed files with 2 additions and 1 deletions
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3
hw/xfree86/modes/xf86Rotate.c
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@ -272,6 +272,7 @@ xf86RotateDestroy(xf86CrtcPtr crtc)
ScrnInfoPtr pScrn = crtc->scrn;
ScreenPtr pScreen = pScrn->pScreen;
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
DrawablePtr screenDrawable = &pScreen->root->drawable;
int c;
/* Free memory from rotation */
@ -289,7 +290,7 @@ xf86RotateDestroy(xf86CrtcPtr crtc)
/*
* Clean up damage structures when no crtcs are rotated
*/
if (xf86_config->rotation_damage) {
if (screenDrawable && xf86_config->rotation_damage) {
/* Free damage structure */
if (xf86_config->rotation_damage_registered) {
DamageUnregister(&pScreen->root->drawable,