mwifiex: remove unnecessary rx_q lock

SKB lists have their own lock. So this lock is not needed.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c
index f7c97cf..580aa45 100644 (file)
--- a/drivers/net/wireless/mwifiex/init.c
+++ b/drivers/net/wireless/mwifiex/init.c
@@ -447,7 +447,6 @@ int mwifiex_init_lock_list(struct mwifiex_adapter *adapter)
        spin_lock_init(&adapter->cmd_free_q_lock);
        spin_lock_init(&adapter->cmd_pending_q_lock);
        spin_lock_init(&adapter->scan_pending_q_lock);
-       spin_lock_init(&adapter->rx_q_lock);
        spin_lock_init(&adapter->rx_proc_lock);
 
        skb_queue_head_init(&adapter->usb_rx_data_q);

diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index 022486e..e263574 100644 (file)
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -764,8 +764,6 @@ struct mwifiex_adapter {
        struct list_head scan_pending_q;
        /* spin lock for scan_pending_q */
        spinlock_t scan_pending_q_lock;
-       /* spin lock for RX queue */
-       spinlock_t rx_q_lock;
        /* spin lock for RX processing routine */
        spinlock_t rx_proc_lock;
        struct sk_buff_head usb_rx_data_q;

diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index 74c0db9..c3a20f9 100644 (file)
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -1237,7 +1237,6 @@ static int mwifiex_pcie_process_recv_data(struct mwifiex_adapter *adapter)
        struct sk_buff *skb_tmp = NULL;
        struct mwifiex_pcie_buf_desc *desc;
        struct mwifiex_pfu_buf_desc *desc2;
-       unsigned long flags;
 
        if (!mwifiex_pcie_ok_to_access_hw(adapter))
                mwifiex_pm_wakeup_card(adapter);
@@ -1289,10 +1288,7 @@ static int mwifiex_pcie_process_recv_data(struct mwifiex_adapter *adapter)
                                card->rxbd_rdptr, wrptr, rx_len);
                        skb_pull(skb_data, INTF_HEADER_LEN);
                        if (adapter->rx_work_enabled) {
-                               spin_lock_irqsave(&adapter->rx_q_lock, flags);
                                skb_queue_tail(&adapter->rx_data_q, skb_data);
-                               spin_unlock_irqrestore(&adapter->rx_q_lock,
-                                                      flags);
                                adapter->data_received = true;
                                atomic_inc(&adapter->rx_pending);
                        } else {

diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c
index ea8fc58..db9e4e3 100644 (file)
--- a/drivers/net/wireless/mwifiex/sdio.c
+++ b/drivers/net/wireless/mwifiex/sdio.c
@@ -1039,7 +1039,6 @@ static int mwifiex_decode_rx_packet(struct mwifiex_adapter *adapter,
                                    struct sk_buff *skb, u32 upld_typ)
 {
        u8 *cmd_buf;
-       unsigned long flags;
        __le16 *curr_ptr = (__le16 *)skb->data;
        u16 pkt_len = le16_to_cpu(*curr_ptr);
 
@@ -1050,9 +1049,7 @@ static int mwifiex_decode_rx_packet(struct mwifiex_adapter *adapter,
        case MWIFIEX_TYPE_DATA:
                dev_dbg(adapter->dev, "info: --- Rx: Data packet ---\n");
                if (adapter->rx_work_enabled) {
-                       spin_lock_irqsave(&adapter->rx_q_lock, flags);
                        skb_queue_tail(&adapter->rx_data_q, skb);
-                       spin_unlock_irqrestore(&adapter->rx_q_lock, flags);
                        adapter->data_received = true;
                        atomic_inc(&adapter->rx_pending);
                } else {