Fix possible null pointer dereference

ea48fcfc · Dmitry-Me · 05e404c2 · ea48fcfc
Commit ea48fcfc authored Feb 09, 2015 by Dmitry-Me
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cuda_host_mem.cpp modules/core/src/cuda_host_mem.cpp +4 -1

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--- a/modules/core/src/cuda_host_mem.cpp
+++ b/modules/core/src/cuda_host_mem.cpp
@@ -107,10 +107,13 @@ 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) )
            {