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mac80211: fix GFP_KERNEL under tasklet context

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commit c752cac9db upstream.

cfg80211_sta_opmode_change_notify needs a gfp_t flag to hint the nl80211
stack when allocating new skb, but it is called under tasklet context
here with GFP_KERNEL and kernel will yield a warning about it.

Cc: stable@vger.kernel.org
Fixes: ff84e7bfe1 ("mac80211: Add support to notify ht/vht opmode modification.")
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
ACKed-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Yan-Hsuan Chuang
2018-10-23 11:24:44 +08:00
committed by Greg Kroah-Hartman
parent daac338a9e
commit e08ab93325
1 changed files with 2 additions and 2 deletions
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4
net/mac80211/rx.c
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@@ -3029,7 +3029,7 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
cfg80211_sta_opmode_change_notify(sdata->dev,
rx->sta->addr,
&sta_opmode,
GFP_KERNEL);
GFP_ATOMIC);
goto handled;
}
case WLAN_HT_ACTION_NOTIFY_CHANWIDTH: {
@@ -3066,7 +3066,7 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
cfg80211_sta_opmode_change_notify(sdata->dev,
rx->sta->addr,
&sta_opmode,
GFP_KERNEL);
GFP_ATOMIC);
goto handled;
}
default: