USB: opticon: fix memory leak in error path

Fix memory leak in write error path.

Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c
index 459c28889fe4..6aba731d4864 100644
--- a/drivers/usb/serial/opticon.c
+++ b/drivers/usb/serial/opticon.c
@@ -286,7 +286,7 @@ static int opticon_write(struct tty_struct *tty, struct usb_serial_port *port,
         if (!dr) {
                 dev_err(&port->dev, "out of memory\n");
                 count = -ENOMEM;
-                goto error;
+                goto error_no_dr;
         }
 
         dr->bRequestType = USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_DIR_OUT;
@@ -316,6 +316,8 @@ static int opticon_write(struct tty_struct *tty, struct usb_serial_port *port,
 
         return count;
 error:
+        kfree(dr);
+error_no_dr:
         usb_free_urb(urb);
 error_no_urb:
         kfree(buffer);