staging: brcm80211: bugfix for control.sta NULL ptr dereference
Mac80211 can transmit packets where the control.sta field is NULL. The driver dereferenced this. Bugfix was to only dereference a non NULL ieee80211_sta pointer. Signed-off-by:Roland Vossen <rvossen@broadcom.com> Reviewed-by:
Arend van Spriel <arend@broadcom.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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