Johannes Berg 97ffe75791 mac80211: factor out station lookup from ieee80211_build_hdr()
In order to look up the RA station earlier to implement a TX
fastpath, factor out the lookup from ieee80211_build_hdr().
To always have a valid station pointer, also move some of the
checks into the new function.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-03-30 10:47:19 +02:00
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