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| author | John W. Linville <linville@tuxdriver.com> | 2012-05-22 21:18:06 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-05-22 21:18:06 +0200 |
| commit | a0d0d1685f9763ab26a394df3ab84026b39a06a7 (patch) | |
| tree | 4165dc6fd3266977ab4b3fa3b379c47597f97d88 /net/mac80211/agg-tx.c | |
| parent | Fix blocking allocations called very early during bootup (diff) | |
| parent | Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/... (diff) | |
| download | linux-a0d0d1685f9763ab26a394df3ab84026b39a06a7.tar.xz linux-a0d0d1685f9763ab26a394df3ab84026b39a06a7.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next
Diffstat (limited to 'net/mac80211/agg-tx.c')
| -rw-r--r-- | net/mac80211/agg-tx.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index 5b7053c58732..7cf07158805c 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -421,16 +421,22 @@ static void sta_tx_agg_session_timer_expired(unsigned long data) struct tid_ampdu_tx *tid_tx; unsigned long timeout; - tid_tx = rcu_dereference_protected_tid_tx(sta, *ptid); - if (!tid_tx) + rcu_read_lock(); + tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[*ptid]); + if (!tid_tx || test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) { + rcu_read_unlock(); return; + } timeout = tid_tx->last_tx + TU_TO_JIFFIES(tid_tx->timeout); if (time_is_after_jiffies(timeout)) { mod_timer(&tid_tx->session_timer, timeout); + rcu_read_unlock(); return; } + rcu_read_unlock(); + #ifdef CONFIG_MAC80211_HT_DEBUG printk(KERN_DEBUG "tx session timer expired on tid %d\n", (u16)*ptid); #endif |