Merge tag 'v3.1-rc6' into staging/for_v3.2

* tag 'v3.1-rc6': (1902 commits)
  Linux 3.1-rc6
  ioctl: register LTTng ioctl
  fuse: fix memory leak
  fuse: fix flock breakage
  Btrfs: add dummy extent if dst offset excceeds file end in
  Btrfs: calc file extent num_bytes correctly in file clone
  btrfs: xattr: fix attribute removal
  Btrfs: fix wrong nbytes information of the inode
  Btrfs: fix the file extent gap when doing direct IO
  Btrfs: fix unclosed transaction handle in btrfs_cont_expand
  Btrfs: fix misuse of trans block rsv
  Btrfs: reset to appropriate block rsv after orphan operations
  Btrfs: skip locking if searching the commit root in csum lookup
  btrfs: fix warning in iput for bad-inode
  Btrfs: fix an oops when deleting snapshots
  [media] vp7045: fix buffer setup
  [media] nuvoton-cir: simplify raw IR sample handling
  [media] [Resend] viacam: Don't explode if pci_find_bus() returns NULL
  [media] v4l2: Fix documentation of the codec device controls
  [media] gspca - sonixj: Fix the darkness of sensor om6802 in 320x240
  ...

1 files changed, 17 insertions, 5 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 507559361d87..dbf501ca317f 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -464,6 +464,15 @@ static bool rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
 	int wcid, ack, pid;
 	int tx_wcid, tx_ack, tx_pid;
 
+	if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
+	    !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags)) {
+		WARNING(entry->queue->rt2x00dev,
+			"Data pending for entry %u in queue %u\n",
+			entry->entry_idx, entry->queue->qid);
+		cond_resched();
+		return false;
+	}
+
 	wcid	= rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
 	ack	= rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
 	pid	= rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
@@ -529,12 +538,11 @@ static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
 			entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 			if (rt2800usb_txdone_entry_check(entry, reg))
 				break;
+			entry = NULL;
 		}
 
-		if (!entry || rt2x00queue_empty(queue))
-			break;
-
-		rt2800_txdone_entry(entry, reg);
+		if (entry)
+			rt2800_txdone_entry(entry, reg);
 	}
 }
 
@@ -558,8 +566,10 @@ static void rt2800usb_work_txdone(struct work_struct *work)
 		while (!rt2x00queue_empty(queue)) {
 			entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 
-			if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags))
+			if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
+			    !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
 				break;
+
 			if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
 				rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
 			else if (rt2x00queue_status_timeout(entry))
@@ -921,6 +931,8 @@ static struct usb_device_id rt2800usb_device_table[] = {
 	{ USB_DEVICE(0x07d1, 0x3c16) },
 	/* Draytek */
 	{ USB_DEVICE(0x07fa, 0x7712) },
+	/* DVICO */
+	{ USB_DEVICE(0x0fe9, 0xb307) },
 	/* Edimax */
 	{ USB_DEVICE(0x7392, 0x7711) },
 	{ USB_DEVICE(0x7392, 0x7717) },