Fix potential null pointer dereference

d164d513 · Dmitry-Me · 0b99f6bc · d164d513
Commit d164d513 authored Mar 05, 2015 by Dmitry-Me
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matrix.cpp modules/core/src/matrix.cpp +4 -1

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--- a/modules/core/src/matrix.cpp
+++ b/modules/core/src/matrix.cpp
@@ -205,9 +205,12 @@ public:

    void deallocate(UMatData* u) const
    {
+        if(!u)
+            return;
+
        CV_Assert(u->urefcount >= 0);
        CV_Assert(u->refcount >= 0);
-        if(u && u->refcount == 0)
+        if(u->refcount == 0)
        {
            if( !(u->flags & UMatData::USER_ALLOCATED) )
            {