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mac80211: fix WPA with VLAN on AP side with ps-sta
When sending a broadcast while at least on of the connected stations is sleeping, it gets queued and send after a DTIM beacon is sent. If the packet was to be sent on a vlan interface, the vif used for dequeing from the per-bss queue does not hold the per-vlan sdata. The correct sdata is required to use the correct per-vlan broadcast/multicast key. This patch fixes this by restoring the per-vlan sdata using the skb->dev entry. Signed-off-by: Michael Braun <michael-dev@fami-braun.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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@ -2785,6 +2785,7 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
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cpu_to_le16(IEEE80211_FCTL_MOREDATA);
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}
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sdata = IEEE80211_DEV_TO_SUB_IF(skb->dev);
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if (!ieee80211_tx_prepare(sdata, &tx, skb))
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break;
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dev_kfree_skb_any(skb);
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