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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-02-15 21:20:18 (GMT)
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-02-15 21:20:18 (GMT)
commit56012808f4d5606e401539f663d92009d964425b (patch)
treef3736a97725647393a2db7c95462d857115197ca /drivers/usb/serial/generic.c
parenta814290e17ae314bd614476cffc6119846eca27e (diff)
parentb2a731aa5cbca7e0252da75e16de7ae5feb1313a (diff)
downloadlinux-fsl-qoriq-56012808f4d5606e401539f663d92009d964425b.tar.xz
Merge branch 'for-rmk' of git://git.marvell.com/orion into devel-stable
Conflicts: arch/arm/Makefile
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 f1ea3a3..83443d6 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)
dbg("%s - port %d", __func__, port->number);
- if (serial->type->max_in_flight_urbs) {
- spin_lock_irqsave(&port->lock, flags);
+ spin_lock_irqsave(&port->lock, flags);
+ if (serial->type->max_in_flight_urbs)
chars = port->tx_bytes_flight;
- spin_unlock_irqrestore(&port->lock, flags);
- } else if (serial->num_bulk_out)
+ else if (serial->num_bulk_out)
chars = kfifo_len(&port->write_fifo);
+ spin_unlock_irqrestore(&port->lock, flags);
dbg("%s - returns %d", __func__, chars);
return chars;
@@ -489,6 +489,8 @@ void usb_serial_generic_write_bulk_callback(struct urb *urb)
dbg("%s - port %d", __func__, port->number);
if (port->serial->type->max_in_flight_urbs) {
+ kfree(urb->transfer_buffer);
+
spin_lock_irqsave(&port->lock, flags);
--port->urbs_in_flight;
port->tx_bytes_flight -= urb->transfer_buffer_length;