Merge branch 'r8152-next'
authorDavid S. Miller <davem@davemloft.net>
Wed, 12 Nov 2014 19:49:15 +0000 (14:49 -0500)
committerDavid S. Miller <davem@davemloft.net>
Wed, 12 Nov 2014 19:49:15 +0000 (14:49 -0500)
Hayes Wang says:

====================
Code adjustment

v3:
 Remove the test_bit for patch #2.

v2:
 Correct the spelling error for the comment of patch #3.

v1:
Adjust some codes to make them more reasonable.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/usb/r8152.c

index 66b139a..0a30fd3 100644 (file)
@@ -1255,7 +1255,6 @@ static int alloc_all_mem(struct r8152 *tp)
 
        spin_lock_init(&tp->rx_lock);
        spin_lock_init(&tp->tx_lock);
-       INIT_LIST_HEAD(&tp->rx_done);
        INIT_LIST_HEAD(&tp->tx_free);
        skb_queue_head_init(&tp->tx_queue);
 
@@ -1798,6 +1797,8 @@ static void bottom_half(unsigned long data)
        if (!netif_carrier_ok(tp->netdev))
                return;
 
+       clear_bit(SCHEDULE_TASKLET, &tp->flags);
+
        rx_bottom(tp);
        tx_bottom(tp);
 }
@@ -2856,15 +2857,18 @@ static void rtl_work_func_t(struct work_struct *work)
 {
        struct r8152 *tp = container_of(work, struct r8152, schedule.work);
 
+       /* If the device is unplugged or !netif_running(), the workqueue
+        * doesn't need to wake the device, and could return directly.
+        */
+       if (test_bit(RTL8152_UNPLUG, &tp->flags) || !netif_running(tp->netdev))
+               return;
+
        if (usb_autopm_get_interface(tp->intf) < 0)
                return;
 
        if (!test_bit(WORK_ENABLE, &tp->flags))
                goto out1;
 
-       if (test_bit(RTL8152_UNPLUG, &tp->flags))
-               goto out1;
-
        if (!mutex_trylock(&tp->control)) {
                schedule_delayed_work(&tp->schedule, 0);
                goto out1;