5.1-stable patches

[thirdparty/kernel/stable-queue.git] / releases / 3.4.17 / usb-opticon-fix-memory-leak-in-error-path.patch

From acbf0e5263de563e25f7c104868e4490b9e72b13 Mon Sep 17 00:00:00 2001
From: Johan Hovold <jhovold@gmail.com>
Date: Thu, 25 Oct 2012 10:29:12 +0200
Subject: USB: opticon: fix memory leak in error path

From: Johan Hovold <jhovold@gmail.com>

commit acbf0e5263de563e25f7c104868e4490b9e72b13 upstream.

Fix memory leak in write error path.

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

---
 drivers/usb/serial/opticon.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/usb/serial/opticon.c
+++ b/drivers/usb/serial/opticon.c
@@ -297,7 +297,7 @@ static int opticon_write(struct tty_stru
 	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;
@@ -327,6 +327,8 @@ static int opticon_write(struct tty_stru
 
 	return count;
 error:
+	kfree(dr);
+error_no_dr:
 	usb_free_urb(urb);
 error_no_urb:
 	kfree(buffer);