tree fd80b39d90a80c1b6f83d748fc512dab5f15e5b5
parent 527871d7206dac2733d0bae52f5a328811d299ee
author Johannes Berg <johannes.berg@intel.com> 1426925625 +0100
committer Johannes Berg <johannes.berg@intel.com> 1427705239 +0200

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>