[PATCH 3/3] fb: Don't crash if copy_drawable() returns NULL.

[Michel Dänzer]

From: Michel Dänzer <daenzer at vmware.com>

Fixes http://bugs.freedesktop.org/show_bug.cgi?id=24634 .

Signed-off-by: Michel Dänzer <daenzer at vmware.com>
---
 fb/fbpict.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/fb/fbpict.c b/fb/fbpict.c
index 2fbef15..7ae3ec5 100644
--- a/fb/fbpict.c
+++ b/fb/fbpict.c
@@ -329,9 +329,11 @@ create_bits_picture (PicturePtr pict,
     pixman_image_t *image;
     DrawablePtr drawable;
 
-    if (is_src && pict->pDrawable->type == DRAWABLE_WINDOW)
+    if (is_src && pict->pDrawable->type == DRAWABLE_WINDOW) {
 	drawable = copy_drawable (pict->pDrawable);
-    else
+	if (!drawable)
+	    return NULL;
+    } else
 	drawable = pict->pDrawable;
     
     fbGetDrawable (drawable, bits, stride, bpp, xoff, yoff);
-- 
1.6.5.3