network: Guard PNN reading
authorDenis Kenzior <denkenz@gmail.com>
Fri, 16 Dec 2011 14:02:44 +0000 (08:02 -0600)
committerDenis Kenzior <denkenz@gmail.com>
Fri, 16 Dec 2011 14:02:44 +0000 (08:02 -0600)
commit12456649626fc7759721b1514209beeef025dc44
tree3d91d66d65f5180be60a784433965ec64d111597
parentf0d01bdf3794bdb5a09fc3a6e1057739e5050e72
network: Guard PNN reading

In a somewhat bizarre case, both PNN and OPL might change, which will
trigger sim_pnn_opl_changed twice.  This can have some funny
side-effects, so don't allow this to happen in the first place.
src/network.c