Arik Nemtsov d811b3d556 mac80211: fix invalid band deref building preq IEs
The function building probe-request IEs does not validate the band is
supported before dereferencing it. This can result in a panic when
all bands are traversed, as done during sched-scan start.

Warn when this happens and return an empty probe request. Also fix
sched-scan to not waste memory on unsupported bands.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-07-12 12:10:42 +02:00
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2012-04-16 21:08:18 +02:00
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2012-07-12 12:10:41 +02:00
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