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mac80211: fix ieee80211_xmit call context 

ieee80211_xmit() cannot be called with tasklets enabled
because it is normally called from within a tasklet.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2009-06-18 17:25:11 +02:00 committed by John W. Linville
parent 72bce62775
commit 3d34deb673
1 changed files with 7 additions and 0 deletions
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7
net/mac80211/tx.c
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@ -2241,5 +2241,12 @@ void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
if (!encrypt)
info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
/*
* The other path calling ieee80211_xmit is from the tasklet,
* and while we can handle concurrent transmissions locking
* requirements are that we do not come into tx with bhs on.
*/
local_bh_disable();
ieee80211_xmit(sdata, skb);
local_bh_enable();
}