Don't crash in FcPatternDestroy with NULL pattern

diff --git a/src/fcpat.c b/src/fcpat.c
index 0aab7a0..d93eb73 100644 (file)
--- a/src/fcpat.c
+++ b/src/fcpat.c
@@ -359,6 +359,9 @@ FcPatternDestroy (FcPattern *p)
     int                    i;
     FcPatternElt    *elts;
 
+    if (!p)
+       return;
+
     if (p->ref == FC_REF_CONSTANT)
     {
        FcCacheObjectDereference (p);