From: Olivier Sobrie <olivier@sobrie.be>
Date: Fri, 30 Jan 2015 12:21:55 +0000 (+0100)
Subject: hso: fix memory leak when device disconnects
X-Git-Tag: firefly_0821_release~176^2~2371^2~91^2~8
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=295fc56f465ee8e013b2889e42094da9b2bd7125;p=firefly-linux-kernel-4.4.55.git

hso: fix memory leak when device disconnects

In the disconnect path, tx_buffer should freed like tx_data to avoid
a memory leak when the device disconnects.

Signed-off-by: Olivier Sobrie <olivier@sobrie.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 191c1fac08b6..d855cead3978 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2253,6 +2253,7 @@ static void hso_serial_common_free(struct hso_serial *serial)
 
 	/* unlink and free TX URB */
 	usb_free_urb(serial->tx_urb);
+	kfree(serial->tx_buffer);
 	kfree(serial->tx_data);
 	tty_port_destroy(&serial->port);
 }