diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/11n_rxreorder.c')
| -rw-r--r-- | drivers/net/wireless/mwifiex/11n_rxreorder.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/drivers/net/wireless/mwifiex/11n_rxreorder.c b/drivers/net/wireless/mwifiex/11n_rxreorder.c index 0c3571f830b0..06a2c215ef5e 100644 --- a/drivers/net/wireless/mwifiex/11n_rxreorder.c +++ b/drivers/net/wireless/mwifiex/11n_rxreorder.c @@ -1,7 +1,7 @@ /* * Marvell Wireless LAN device driver: 802.11n RX Re-ordering * - * Copyright (C) 2011, Marvell International Ltd. + * Copyright (C) 2011-2014, Marvell International Ltd. * * This software file (the "File") is distributed by Marvell International * Ltd. under the terms of the GNU General Public License Version 2, June 1991 @@ -249,13 +249,22 @@ void mwifiex_11n_del_rx_reorder_tbl_by_ta(struct mwifiex_private *priv, u8 *ta) * buffered in Rx reordering table. */ static int -mwifiex_11n_find_last_seq_num(struct mwifiex_rx_reorder_tbl *rx_reorder_tbl_ptr) +mwifiex_11n_find_last_seq_num(struct reorder_tmr_cnxt *ctx) { + struct mwifiex_rx_reorder_tbl *rx_reorder_tbl_ptr = ctx->ptr; + struct mwifiex_private *priv = ctx->priv; + unsigned long flags; int i; - for (i = (rx_reorder_tbl_ptr->win_size - 1); i >= 0; --i) - if (rx_reorder_tbl_ptr->rx_reorder_ptr[i]) + spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags); + for (i = rx_reorder_tbl_ptr->win_size - 1; i >= 0; --i) { + if (rx_reorder_tbl_ptr->rx_reorder_ptr[i]) { + spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, + flags); return i; + } + } + spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags); return -1; } @@ -274,7 +283,7 @@ mwifiex_flush_data(unsigned long context) (struct reorder_tmr_cnxt *) context; int start_win, seq_num; - seq_num = mwifiex_11n_find_last_seq_num(ctx->ptr); + seq_num = mwifiex_11n_find_last_seq_num(ctx); if (seq_num < 0) return; @@ -729,9 +738,9 @@ void mwifiex_11n_cleanup_reorder_tbl(struct mwifiex_private *priv) mwifiex_del_rx_reorder_entry(priv, del_tbl_ptr); spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags); } + INIT_LIST_HEAD(&priv->rx_reorder_tbl_ptr); spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags); - INIT_LIST_HEAD(&priv->rx_reorder_tbl_ptr); mwifiex_reset_11n_rx_seq_num(priv); } @@ -749,10 +758,14 @@ void mwifiex_update_rxreor_flags(struct mwifiex_adapter *adapter, u8 flags) priv = adapter->priv[i]; if (!priv) continue; - if (list_empty(&priv->rx_reorder_tbl_ptr)) - continue; spin_lock_irqsave(&priv->rx_reorder_tbl_lock, lock_flags); + if (list_empty(&priv->rx_reorder_tbl_ptr)) { + spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, + lock_flags); + continue; + } + list_for_each_entry(tbl, &priv->rx_reorder_tbl_ptr, list) tbl->flags = flags; spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, lock_flags); |