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mac80211: fix a crash in the tx path 

SVN-Revision: 24672
lede-17.01
Felix Fietkau 2010-12-18 17:56:32 +00:00
parent 5c4d94f714
commit b40d260aaf
1 changed files with 19 additions and 0 deletions
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19
package/mac80211/patches/541-mac80211_fix_skb_copy_crash.patch Normal file
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@ -0,0 +1,19 @@
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1748,7 +1748,7 @@ netdev_tx_t ieee80211_subif_start_xmit(s
{
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;
@@ -2039,6 +2039,7 @@ netdev_tx_t ieee80211_subif_start_xmit(s
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;