From d5d5b407436dfdbffcd56bbefecf17d11750dddf Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Sat, 14 Apr 2012 19:21:47 +0100
Subject: [PATCH] dirty: check malloc return

Suggested by keithp.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 hw/xfree86/drivers/modesetting/driver.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/hw/xfree86/drivers/modesetting/driver.c b/hw/xfree86/drivers/modesetting/driver.c
index 95d6b908d..b776ca1c4 100644
--- a/hw/xfree86/drivers/modesetting/driver.c
+++ b/hw/xfree86/drivers/modesetting/driver.c
@@ -327,7 +327,10 @@ static void dispatch_dirty(ScreenPtr pScreen)
 	drmModeClip *clip = malloc(num_cliprects * sizeof(drmModeClip));
 	BoxPtr rect = REGION_RECTS(dirty);
 	int i, ret;
-	    
+	
+	if (!clip)
+		return;
+
 	/* XXX no need for copy? */
 	for (i = 0; i < num_cliprects; i++, rect++) {
 	    clip[i].x1 = rect->x1;