From: Ravi Nanjundappa <nravi.n@samsung.com>
Date: Wed, 5 Oct 2016 09:46:10 +0000 (+0530)
Subject: Fix for VDSvace issue: DF160920-00051
X-Git-Tag: submit/tizen/20161010.113913~2^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9bc3e5ab934f3aab30a8dcde41494d8021be766c;p=platform%2Fcore%2Fgraphics%2Fcairo.git

Fix for VDSvace issue: DF160920-00051

Assigned the group handle to NULL after free inside _cairo_pdf_smask_group_destroy()
and then checking against NULL value before freeing its members further.

Change-Id: Icf9eacf075478244fb09dc6e2678b8d12cd7e292
Signed-off-by: Ravi Nanjundappa <nravi.n@samsung.com>
---

diff --git a/src/cairo-pdf-surface.c b/src/cairo-pdf-surface.c
index 552e4bf4f..db5006294 100644
--- a/src/cairo-pdf-surface.c
+++ b/src/cairo-pdf-surface.c
@@ -1101,18 +1101,22 @@ _cairo_pdf_surface_create_smask_group (cairo_pdf_surface_t	    *surface,
 static void
 _cairo_pdf_smask_group_destroy (cairo_pdf_smask_group_t *group)
 {
+  if(group != NULL)
+  {
     if (group->operation == PDF_FILL ||	group->operation == PDF_STROKE)
-	_cairo_path_fixed_fini (&group->path);
+      _cairo_path_fixed_fini (&group->path);
     if (group->source)
-	cairo_pattern_destroy (group->source);
+      cairo_pattern_destroy (group->source);
     if (group->mask)
-	cairo_pattern_destroy (group->mask);
+      cairo_pattern_destroy (group->mask);
     free (group->utf8);
     free (group->glyphs);
     free (group->clusters);
     if (group->scaled_font)
-	cairo_scaled_font_destroy (group->scaled_font);
+      cairo_scaled_font_destroy (group->scaled_font);
     free (group);
+    group = NULL;
+  }
 }
 
 static cairo_int_status_t