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authorFelix Fietkau <nbd@openwrt.org>2010-11-20 03:08:46 +0100
committerJohn W. Linville <linville@tuxdriver.com>2010-11-22 15:58:38 -0500
commite1566d1f322b41b1ac3acf33407a0cfe2a311b75 (patch)
tree9cd53f171436ec3070e3e82e1b51cbde18b09f20 /drivers/net/wireless
parentb5bb2f2beb4d54597fd54075480fc4874a9c08dc (diff)
downloadblackbird-op-linux-e1566d1f322b41b1ac3acf33407a0cfe2a311b75.tar.gz
blackbird-op-linux-e1566d1f322b41b1ac3acf33407a0cfe2a311b75.zip
ath9k: fix recursive locking in the tx flush path
Signed-off-by: Felix Fietkau <nbd@openwrt.org> Tested-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/ath/ath9k/xmit.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index c63e283ff97f..495432ec85a9 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -163,6 +163,7 @@ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
bf = list_first_entry(&tid->buf_q, struct ath_buf, list);
list_move_tail(&bf->list, &bf_head);
+ spin_unlock_bh(&txq->axq_lock);
fi = get_frame_info(bf->bf_mpdu);
if (fi->retries) {
ath_tx_update_baw(sc, tid, fi->seqno);
@@ -170,6 +171,7 @@ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
} else {
ath_tx_send_normal(sc, txq, tid, &bf_head);
}
+ spin_lock_bh(&txq->axq_lock);
}
spin_unlock_bh(&txq->axq_lock);
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