[Bug 223519] __BUS_ACCESSOR doesn't check return value of BUS_READ_IVAR
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Fri Nov 10 06:45:30 UTC 2017
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=223519
--- Comment #2 from Christian Mauderer <christian.mauderer at embedded-brains.de> ---
OK, I agree that it's an intended behaviour. Maybe it would be a good idea
anyway to at least print a warning or use some
if-kernel-compiled-with-debug-options-assert so that a driver developer at
least gets some feedback that an ivar that is expected to be always valid is
missing. The resulting driver bugs can be really nasty to find. A simple error
message in the log could help a lot finding them.
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