Fixing potential nil pointer dereferences #12
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By deferring <some pointer>.Close() before doing error checking, it could have happened that Close() would be called on a nil pointer, resulting in a segfault. This was fixed by deferring the call AFTER checking for potential errors.
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By deferring .Close() before doing error checking, it could have happened that Close() would be called on a nil pointer, resulting in a segfault. This was fixed by deferring the call AFTER checking for potential errors.