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| author | David S. Miller <davem@davemloft.net> | 2012-09-30 02:30:16 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-09-30 02:30:16 -0400 |
| commit | a248afdc1b5916c2bfd007233112333d85aa28f6 (patch) | |
| tree | 49d4a0b8fdcf7624ea6b0bdf0af2567d7392210e /net/mac80211/iface.c | |
| parent | d379142bc4d9b78cdd9fc5aa696ca1ea083fb7d4 (diff) | |
| parent | c487606f835a93a725bac1aefd536be98f22474d (diff) | |
| download | op-kernel-dev-a248afdc1b5916c2bfd007233112333d85aa28f6.zip op-kernel-dev-a248afdc1b5916c2bfd007233112333d85aa28f6.tar.gz | |
Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next
John W. Linville says:
====================
Here is another batch of updates intended for 3.7...
Highlights include an hci_connect re-write in Bluetooth, HCI/LLC
layer separation in NFC, removal of the raw pn544 NFC driver, NFC LLCP
raw sockets support, improved IBSS auth frame handling in mac80211,
full-MAC AP mode notification support in mac80211, a lot of attention
paid to brcmfmac, and the usual level of updates to iwlwifi, ath9k,
mwifiex, and rt2x00, and various other updates.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mac80211/iface.c')
| -rw-r--r-- | net/mac80211/iface.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index d747da5..6f8a73c 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -793,11 +793,20 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, flush_work(&sdata->work); /* * When we get here, the interface is marked down. - * Call synchronize_rcu() to wait for the RX path + * Call rcu_barrier() to wait both for the RX path * should it be using the interface and enqueuing - * frames at this very time on another CPU. + * frames at this very time on another CPU, and + * for the sta free call_rcu callbacks. */ - synchronize_rcu(); + rcu_barrier(); + + /* + * free_sta_rcu() enqueues a work for the actual + * sta cleanup, so we need to flush it while + * sdata is still valid. + */ + flush_workqueue(local->workqueue); + skb_queue_purge(&sdata->skb_queue); /* |
