Pierre Beyssac
cce2eb6a97
Never return the root node itself from rn_match(); return NULL instead.
...
This caused a panic in rtfreee() called with a root node from the
routing socket code (when processing a RTM_GET message looking for
the default route while there is none).
Since no existing code seems to have any use getting the root node
from rn_match(), it seems cleaner never to return it rather than
check for this condition at the caller's.
PR: kern/12265
1999-06-25 13:43:30 +00:00
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