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authorDavid S. Miller <davem@davemloft.net>2010-01-23 03:31:06 -0500
committerDavid S. Miller <davem@davemloft.net>2010-01-23 03:31:06 -0500
commit51c24aaacaea90c8e87f1dec75a2ac7622b593f8 (patch)
tree9f54936c87764bef75e97395cb56b7d1e0df24c6 /drivers/usb/serial/generic.c
parent4276e47e2d1c85a2477caf0d22b91c4f2377fba8 (diff)
parent6be325719b3e54624397e413efd4b33a997e55a3 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'drivers/usb/serial/generic.c')
-rw-r--r--drivers/usb/serial/generic.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index f1ea3a33b6e6..83443d6306d6 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -386,12 +386,12 @@ int usb_serial_generic_chars_in_buffer(struct tty_struct *tty)
386 386
387 dbg("%s - port %d", __func__, port->number); 387 dbg("%s - port %d", __func__, port->number);
388 388
389 if (serial->type->max_in_flight_urbs) { 389 spin_lock_irqsave(&port->lock, flags);
390 spin_lock_irqsave(&port->lock, flags); 390 if (serial->type->max_in_flight_urbs)
391 chars = port->tx_bytes_flight; 391 chars = port->tx_bytes_flight;
392 spin_unlock_irqrestore(&port->lock, flags); 392 else if (serial->num_bulk_out)
393 } else if (serial->num_bulk_out)
394 chars = kfifo_len(&port->write_fifo); 393 chars = kfifo_len(&port->write_fifo);
394 spin_unlock_irqrestore(&port->lock, flags);
395 395
396 dbg("%s - returns %d", __func__, chars); 396 dbg("%s - returns %d", __func__, chars);
397 return chars; 397 return chars;
@@ -489,6 +489,8 @@ void usb_serial_generic_write_bulk_callback(struct urb *urb)
489 dbg("%s - port %d", __func__, port->number); 489 dbg("%s - port %d", __func__, port->number);
490 490
491 if (port->serial->type->max_in_flight_urbs) { 491 if (port->serial->type->max_in_flight_urbs) {
492 kfree(urb->transfer_buffer);
493
492 spin_lock_irqsave(&port->lock, flags); 494 spin_lock_irqsave(&port->lock, flags);
493 --port->urbs_in_flight; 495 --port->urbs_in_flight;
494 port->tx_bytes_flight -= urb->transfer_buffer_length; 496 port->tx_bytes_flight -= urb->transfer_buffer_length;