diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2010-12-18 19:30:48 +0100 |
|---|---|---|
| committer | AK <andi@firstfloor.org> | 2011-02-06 11:04:07 -0800 |
| commit | d3fef978044748b2ebf601abe96f52863b107e47 (patch) | |
| tree | 8fa53a1d3bd2d52280379200b75621121c5b9335 | |
| parent | f973dacde9f9eddd6ead17532d1a5b6e45a0fc72 (diff) | |
mac80211: fix initialization of skb->cb in ieee80211_subif_start_xmit
[ upstream commit 489ee9195a7de9e6bc833d639ff6b553ffdad90e ]
The change 'mac80211: Fix BUG in pskb_expand_head when transmitting shared skbs'
added a check for copying the skb if it's shared, however the tx info variable
still points at the cb of the old skb
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
| -rw-r--r-- | net/mac80211/tx.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 10910d62d8cd..1ec650bf0920 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1668,7 +1668,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_local *local = sdata->local; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_tx_info *info; int ret = NETDEV_TX_BUSY, head_need; u16 ethertype, hdrlen, meshhdrlen = 0; __le16 fc; @@ -1956,6 +1956,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, skb_set_network_header(skb, nh_pos); skb_set_transport_header(skb, h_pos); + info = IEEE80211_SKB_CB(skb); memset(info, 0, sizeof(*info)); dev->trans_start = jiffies; |