staging/wlan-ng: code refactoring
staging/wlan-ng: code refactoring

Extract new static function from p80211netdev_rx_bh() to fix coding
style issue (too many leading tabs).

Signed-off-by: Denis Pithon <67debe7d3831310217f64a1da86a764eca776646@gmail.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs