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authorPhoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>2014-03-31 21:37:45 +0200
committerDavid S. Miller <davem@davemloft.net>2014-04-01 16:25:51 -0400
commit336908f6d73ca297bd46948eb5d04d2020a88606 (patch)
tree9240a0e5acf234c77211c173e626d22f55bd1467 /lib/list_debug.c
parent01d32f6e5a3f709a90aadbb73723e77a96d67cb2 (diff)
mac802154: allow only one WPAN to be up at any given time
All 802.15.4 PHY devices with drivers in tree can support only one WPAN at any given time, yet the stack allows arbitrarily many WPAN devices to be created and up at the same time. This cannot work with what the hardware provides, and in the current implementation, provides an easy DoS vector to any process on the system that may call socket() and sendmsg(). Thus, allow only one WPAN per PHY to be up at once, just like mac80211 does for managed devices. Signed-off-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'lib/list_debug.c')
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