Merge pull request #4111 from mshabunin:fix-flann-access

10 years ago · 945aa06f58
parent 81e1c043cc fef7509eed
commit 945aa06f58
1 changed files with 6 additions and 2 deletions
--- a/modules/python/src2/cv2.cpp
+++ b/modules/python/src2/cv2.cpp
@ -190,9 +190,13 @@ public:

    void deallocate(UMatData* u) const
    {
-        if(u)
+        if(!u)
+            return;
+        PyEnsureGIL gil;
+        CV_Assert(u->urefcount >= 0);
+        CV_Assert(u->refcount >= 0);
+        if(u->refcount == 0)
        {
-            PyEnsureGIL gil;
            PyObject* o = (PyObject*)u->userdata;
            Py_XDECREF(o);
            delete u;