carl9170: fix typo in PS code

This patch fixes a off-by-one bug which bugged
the driver's PS-POLL capability.

Cc: <stable@kernel.org>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Christian Lamparter 2011-02-03 22:22:55 +01:00 committed by John W. Linville
parent 4d048aac99
commit 5820de5303

View file

@ -564,7 +564,7 @@ static void carl9170_ps_beacon(struct ar9170 *ar, void *data, unsigned int len)
cam = ieee80211_check_tim(tim_ie, tim_len, ar->common.curaid);
/* 2. Maybe the AP wants to send multicast/broadcast data? */
cam = !!(tim_ie->bitmap_ctrl & 0x01);
cam |= !!(tim_ie->bitmap_ctrl & 0x01);
if (!cam) {
/* back to low-power land. */