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Commit e08ab933 authored by Yan-Hsuan Chuang's avatar Yan-Hsuan Chuang Committed by Greg Kroah-Hartman
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mac80211: fix GFP_KERNEL under tasklet context 



commit c752cac9db1b0c469db7ba9d17af4ba708984db5 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: ff84e7bf ("mac80211: Add support to notify ht/vht opmode modification.")
Signed-off-by: default avatarYan-Hsuan Chuang <yhchuang@realtek.com>
ACKed-by: default avatarLarry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent daac338a

net/mac80211/rx.c

+2 −2
Original line number Diff line number Diff line
@@ -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: