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authorMichael Braun <michael-dev@fami-braun.de>2013-02-13 16:49:16 +0100
committerJohannes Berg <johannes.berg@intel.com>2013-02-15 09:41:08 +0100
commitde74a1d9032f4d37ea453ad2a647e1aff4cd2591 (patch)
tree515e2fcbb325d2c2fe0ae1ab53572517cb04f6d1 /net/mac80211/tx.c
parentmac80211: free ps->bc_buf skbs on vlan device stop (diff)
downloadlinux-de74a1d9032f4d37ea453ad2a647e1aff4cd2591.tar.xz
linux-de74a1d9032f4d37ea453ad2a647e1aff4cd2591.zip
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>
Diffstat (limited to 'net/mac80211/tx.c')
-rw-r--r--net/mac80211/tx.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index f476aa6a771d..71385bfc15d6 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2785,6 +2785,7 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
cpu_to_le16(IEEE80211_FCTL_MOREDATA);
}
+ sdata = IEEE80211_DEV_TO_SUB_IF(skb->dev);
if (!ieee80211_tx_prepare(sdata, &tx, skb))
break;
dev_kfree_skb_any(skb);