From c8502e350cb18f6f5d821d237ffcee453f347eba Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue, 10 Apr 2012 14:43:28 +0100
Subject: [PATCH] sna: Add missing alloc failure check for creating tile source

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 src/sna/sna_accel.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c
index 083cd3c4..ab2997d1 100644
--- a/src/sna/sna_accel.c
+++ b/src/sna/sna_accel.c
@@ -8767,6 +8767,9 @@ sna_pixmap_get_source_bo(PixmapPtr pixmap)
 					       pixmap->drawable.bitsPerPixel,
 					       KGEM_BUFFER_WRITE_INPLACE,
 					       &ptr);
+		if (upload == NULL)
+			return NULL;
+
 		memcpy_blt(pixmap->devPrivate.ptr, ptr,
 			   pixmap->drawable.bitsPerPixel,
 			   pixmap->devKind, upload->pitch,