USB: quatech2: fix memory leak in error path

commit b8a0055050b6294826171641b182c09f78f4cc63 upstream.

Fix memory leak in attach error path where the read urb was never freed.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c
index 151670b6b72a9871bcf88fd5e611b3247bae9904..2cd5493d611fc64c741af87eba25591cefd746f3 100644 (file)
--- a/drivers/usb/serial/quatech2.c
+++ b/drivers/usb/serial/quatech2.c
@@ -825,6 +825,7 @@ static int qt2_setup_urbs(struct usb_serial *serial)
        if (status != 0) {
                dev_err(&serial->dev->dev,
                        "%s - submit read urb failed %i\n", __func__, status);
+               usb_free_urb(serial_priv->read_urb);
                return status;
        }