[PATCH 4.4 25/28] rtl8xxxu: prevent leaking urb

[Greg Kroah-Hartman]

From: Navid Emamdoost <navid.emamdoost@xxxxxxxxx>

commit a2cdd07488e666aa93a49a3fc9c9b1299e27ef3c upstream.

In rtl8xxxu_submit_int_urb if usb_submit_urb fails the allocated urb
should be released.

Signed-off-by: Navid Emamdoost <navid.emamdoost@xxxxxxxxx>
Reviewed-by: Chris Chiu <chiu@xxxxxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
Cc: Ben Hutchings <ben.hutchings@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
@@ -5135,6 +5135,7 @@ static int rtl8xxxu_submit_int_urb(struc
 	ret = usb_submit_urb(urb, GFP_KERNEL);
 	if (ret) {
 		usb_unanchor_urb(urb);
+		usb_free_urb(urb);
 		goto error;
 	}