K 10
svn:author
V 7
yongari
K 8
svn:date
V 27
2010-05-04T17:12:36.803743Z
K 7
svn:log
V 490
Make sure to check whether driver is running before processing
received frames. Also check driver has valid ifp pointer before
calling msk_stop() in device_shutdown handler. While I'm here
remove unnecessary accesses to interrupt mask registers in
device_shutdown handler because driver puts the controller into
reset state.
With these changes, msk(4) now survive from heavy RX traffic(1byte
UDP frame) while reboot is in progress.

Reported by:	Mark Atkinson < atkin901 <> gmail dot com >

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