6757571 Primary domain panic due to vsw_set_addrs set a mac address with a null pointer.

[wentao.y...@sun.com]

Author: WENTAO YANG <Wentao.Yang at Sun.COM>
Repository: /hg/onnv/onnv-gate
Latest revision: 550ffb039657e865d779ccf4223cf8247d7de072
Total changesets: 1
Log message:
6757571 Primary domain panic due to vsw_set_addrs set a mac address with a null 
pointer.

Files:
        update: usr/src/uts/sun4v/io/vsw.c
        update: usr/src/uts/sun4v/io/vsw_switching.c