From: Johan Hovold <jhovold@gmail.com>
Date: Thu, 25 Oct 2012 08:29:07 +0000 (+0200)
Subject: USB: quatech2: fix memory leak in error path
X-Git-Tag: v3.6.5~43
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=24496dfe837363e83d9f1dde5bd68372088e6f88;p=karo-tx-linux.git

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 151670b6b72a..2cd5493d611f 100644
--- 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;
 	}