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mac80211: move netif_carrier_on to after ieee80211_bss_info_change_notify

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Putting netif_carrier_on before configuring the driver/device with the
new association state may cause a race (tx frames may be sent before
configuration is done)

Signed-off-by: Guy Cohen <guy.cohen@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Guy Cohen 2008-07-03 19:56:13 +03:00 committed by John W. Linville
parent 0ff1cca0e2
commit 8db9369ff9
1 changed files with 5 additions and 2 deletions
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7
net/mac80211/mlme.c
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@ -547,15 +547,14 @@ static void ieee80211_set_associated(struct net_device *dev,
sdata->bss_conf.ht_bss_conf = &conf->ht_bss_conf;
}
netif_carrier_on(dev);
ifsta->flags |= IEEE80211_STA_PREV_BSSID_SET;
memcpy(ifsta->prev_bssid, sdata->u.sta.bssid, ETH_ALEN);
memcpy(wrqu.ap_addr.sa_data, sdata->u.sta.bssid, ETH_ALEN);
ieee80211_sta_send_associnfo(dev, ifsta);
} else {
netif_carrier_off(dev);
ieee80211_sta_tear_down_BA_sessions(dev, ifsta->bssid);
ifsta->flags &= ~IEEE80211_STA_ASSOCIATED;
netif_carrier_off(dev);
ieee80211_reset_erp_info(dev);
sdata->bss_conf.assoc_ht = 0;
@ -569,6 +568,10 @@ static void ieee80211_set_associated(struct net_device *dev,
sdata->bss_conf.assoc = assoc;
ieee80211_bss_info_change_notify(sdata, changed);
if (assoc)
netif_carrier_on(dev);
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
}