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path: root/drivers/usb
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-rw-r--r--drivers/usb/serial/generic.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 5ce033ab9b99..83443d6306d6 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -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;