To fix bug #12389, which is a validation for the potential null pointer.

Signed-off-by: Zhenqing Hu <huzq85@gmail.com>
7 years ago · d621a99e73
parent 107660c7ba
commit d621a99e73
1 changed files with 1 additions and 1 deletions
--- a/modules/core/src/matrix_sparse.cpp
+++ b/modules/core/src/matrix_sparse.cpp
@ -228,7 +228,7 @@ void SparseMat::create(int d, const int* _sizes, int _type)
        }
    }
    int _sizes_backup[CV_MAX_DIM]; // #5991
-    if (_sizes == hdr->size)
+    if (hdr && _sizes == hdr->size)
    {
        for(int i = 0; i < d; i++ )
            _sizes_backup[i] = _sizes[i];