diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2010-12-18 19:30:48 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-12-20 14:52:17 -0500 |
| commit | 489ee9195a7de9e6bc833d639ff6b553ffdad90e (patch) | |
| tree | fe32219b2530610e70f5fe2923f96f565b8b987a | |
| parent | ae29fbb189c7a80677500c718c9ce08095ccde01 (diff) | |
| download | lwn-489ee9195a7de9e6bc833d639ff6b553ffdad90e.tar.gz lwn-489ee9195a7de9e6bc833d639ff6b553ffdad90e.zip | |
mac80211: fix initialization of skb->cb in ieee80211_subif_start_xmit
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>
| -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 807dcd06e268..8d01d21dff1e 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1739,7 +1739,7 @@ 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; @@ -2028,6 +2028,7 @@ 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; |