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mac80211: Fix initial hardware configuration

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On the initial device-open we need to defer the hardware reconfiguration
after we incremented the open_count, because the hw_config checks this flag
and won't call the lowlevel driver in case it is zero.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Michael Buesch 2008-02-10 14:16:52 +01:00 committed by John W. Linville
parent db433febba
commit ceffefd15a
1 changed files with 4 additions and 1 deletions
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5
net/mac80211/ieee80211.c
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@ -165,6 +165,7 @@ static int ieee80211_open(struct net_device *dev)
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_if_init_conf conf; struct ieee80211_if_init_conf conf;
int res; int res;
bool need_hw_reconfig = 0;
sdata = IEEE80211_DEV_TO_SUB_IF(dev); sdata = IEEE80211_DEV_TO_SUB_IF(dev);
@ -218,7 +219,7 @@ static int ieee80211_open(struct net_device *dev)
res = local->ops->start(local_to_hw(local)); res = local->ops->start(local_to_hw(local));
if (res) if (res)
return res; return res;
ieee80211_hw_config(local); need_hw_reconfig = 1;
ieee80211_led_radio(local, local->hw.conf.radio_enabled); ieee80211_led_radio(local, local->hw.conf.radio_enabled);
} }
@ -282,6 +283,8 @@ static int ieee80211_open(struct net_device *dev)
atomic_inc(&local->iff_promiscs); atomic_inc(&local->iff_promiscs);
local->open_count++; local->open_count++;
if (need_hw_reconfig)
ieee80211_hw_config(local);
netif_start_queue(dev); netif_start_queue(dev);