K 10
svn:author
V 3
zbb
K 8
svn:date
V 27
2016-01-28T16:58:49.290732Z
K 7
svn:log
V 316
Fix VNIC enumeration after r294993 and r294990

ofw_bus_get_node() must be tested against negative values since
missing parent bus method will result in calling the default method
which simply returns (-1): sys/dev/ofw/ofw_bus_if.m
This was lost in the review process.

Obtained from: Semihalf
Sponsored by:  Cavium

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