Patch from codedread. Prevents rendering of title/desc/metadata elements in text...

[inkscape.git] / src / display / nr-filter-getalpha.cpp

diff --git a/src/display/nr-filter-getalpha.cpp b/src/display/nr-filter-getalpha.cpp
index 1aba770a37abe54df14bbb9e147a5ba40e23b963..72c05c797a6bdb9402f488b1dacd5263508f3c08 100644 (file)
--- a/src/display/nr-filter-getalpha.cpp
+++ b/src/display/nr-filter-getalpha.cpp
@@ -21,6 +21,11 @@ NRPixBlock *filter_get_alpha(NRPixBlock *src)
     nr_pixblock_setup_fast(dst, NR_PIXBLOCK_MODE_R8G8B8A8P,
                            src->area.x0, src->area.y0,
                            src->area.x1, src->area.y1, false);
+    if (!dst || (dst->size != NR_PIXBLOCK_SIZE_TINY && dst->data.px == NULL)) {
+        g_warning("Memory allocation failed in filter_get_alpha");
+        delete dst;
+        return NULL;
+    }
     nr_blit_pixblock_pixblock(dst, src);
 
     unsigned char *data = NR_PIXBLOCK_PX(dst);