ath5k: fix short preamble rate duration value

Subtract the difference in preamble duration (in usec) from the value
returned by ieee80211_generic_frame_duration.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2011-04-09 23:10:19 +02:00 • committed by John W. Linville
commit a27049e2c9
3 changed files with 14 additions and 21 deletions