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Chris Andrews
cc61ab0eb3
It was possible to call enable() on a provider more than once, which would simply attempt to repeat the work required - creating stubs and the appropriate DOF. However the kernel will in most cases ignore new DOF, leaving the old provider in place, while the newly-created stubs are elsewhere. This change simply no-ops subsequent calls to enable() on a provider, which still doesn't allow changes to be made, but does prevent inadvertent breaking of existing probes.