[gtk/matthiasc/for-master] gsk: Fix a transform leak



commit 13b37b0ba46a56e0a4168ecee7ab685d4bb64c25
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Jul 8 16:29:32 2020 -0400

    gsk: Fix a transform leak
    
    This was found by running our testsuite under asan.

 gsk/gsktransform.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/gsk/gsktransform.c b/gsk/gsktransform.c
index 002a52a89b..aed9eae994 100644
--- a/gsk/gsktransform.c
+++ b/gsk/gsktransform.c
@@ -123,7 +123,8 @@ gsk_transform_alloc (const GskTransformClass *transform_class,
 
   self->transform_class = transform_class;
   self->category = next ? MIN (category, next->category) : category;
-  self->next = gsk_transform_is_identity (next) ? NULL : next;
+  self->next = gsk_transform_is_identity (next) ? NULL : gsk_transform_ref (next);
+  g_clear_pointer (&next, gsk_transform_unref);
 
   return self;
 }


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