info->control.sta may only be dereferenced during the drv_tx call otherwise
could lead to use-after-free bugs
Reported-by: NFelix Fietkau <nbd@nbd.name>
Signed-off-by: NThomas Huehn <thomas@net.t-labs.tu-berlin.de>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>