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authorVivek Natarajan <vivek.natraj@gmail.com>2009-03-02 20:20:30 +0530
committerJohn W. Linville <linville@tuxdriver.com>2009-03-05 14:39:38 -0500
commit25c9c8752849212a25bf7f38b40b64b3958d619b (patch)
tree7d77d55dc8a94de19b5d7b097c2a8ebab9924f59 /net
parente0caf9eaae5182ab4e02a5d703ade64719738f87 (diff)
mac80211: Always send a null data frame if TIM bit is set.
If the AP thinks we are in power save state eventhough we are not truly in that state, it sets the TIM bit and does not send a data frame unless we send a null data frame to correct the state in the AP. This might happen if the null data frame for wake up is lost in the air after we disable power save. Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/mlme.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 52d876e3eab..391445c6b89 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1458,8 +1458,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ieee80211_sta_wmm_params(local, ifmgd, elems.wmm_param,
elems.wmm_param_len);
- if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK &&
- local->hw.conf.flags & IEEE80211_CONF_PS) {
+ if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) {
directed_tim = ieee80211_check_tim(&elems, ifmgd->aid);
if (directed_tim) {