Ed Schouten 3f0fb35417 Use a proper destructor function. ... When calling a revoke(2) on a dtrace device, dtrace_close() could be called, even if threads are still stuck in the device. Defer the actual deallocation of datastructures to the cdevpriv destructor. While there, remove the unneeded D_TRACKCLOSE and D_NEEDMINOR flags. For the helper device, we never need it. For the regular dtrace devices, we only need these flags on FreeBSD pre-8. MFC after: 1 month		2012-08-28 18:33:12 +00:00
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opensolaris	Use a proper destructor function.	2012-08-28 18:33:12 +00:00