From: mh0310.choi <mh0310.choi@samsung.com>
Date: Wed, 26 Aug 2015 07:06:31 +0000 (+0900)
Subject: Prevent:ID-275424 (Dereference null return value) Null check for clip
X-Git-Tag: submit/tizen/20151214.061957~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5d640eb45902df1de66f158bb7a0f02ac05681f8;p=platform%2Fcore%2Fgraphics%2Fcairo.git

Prevent:ID-275424 (Dereference null return value) Null check for clip

Change-Id: I83be56637cd3e3df3942bf5c70b8c93ede483559
---

diff --git a/src/cairo-xcb-surface-render.c b/src/cairo-xcb-surface-render.c
index eec45c7..8cf0a34 100644
--- a/src/cairo-xcb-surface-render.c
+++ b/src/cairo-xcb-surface-render.c
@@ -3638,6 +3638,9 @@ _cairo_xcb_render_compositor_paint (const cairo_compositor_t     *compositor,
 	return CAIRO_STATUS_SUCCESS;
     }
 
+	if (composite->clip == NULL)
+		return CAIRO_STATUS_NULL_POINTER;
+
      _cairo_clip_steal_boxes(composite->clip, &boxes);
      status = _clip_and_composite_boxes (surface, op, source, &boxes, composite);
      _cairo_clip_unsteal_boxes (composite->clip, &boxes);