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Variable already holds resource possibly causing leak
A variable that contains a resource is used in a context in which a new value can be placed in the variable. If such placement occurs, the original resource can be lost and not properly freed, causing a resource leak.
Example
The following code example generates this warning:
ExAcquireResourceLite(resource, true);
//...
ExAcquireResourceLite(resource, true);
The following code example avoids this warning:
ExAcquireResourceLite(resource1, true);
//...
ExAcquireResourceLite(resource2, true);