From: Johan Hovold <johan@kernel.org>
Date: Tue, 3 Jan 2017 15:39:41 +0000 (+0100)
Subject: USB: serial: garmin_gps: fix memory leak on failed URB submit
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=c4ac4496e835b78a45dfbf74f6173932217e4116;p=openwrt%2Fstaging%2Fblogic.git

USB: serial: garmin_gps: fix memory leak on failed URB submit

Make sure to free the URB transfer buffer in case submission fails (e.g.
due to a disconnect).

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
---

diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c
index 97cabf803c2f..b2f2e87aed94 100644
--- a/drivers/usb/serial/garmin_gps.c
+++ b/drivers/usb/serial/garmin_gps.c
@@ -1043,6 +1043,7 @@ static int garmin_write_bulk(struct usb_serial_port *port,
 		   "%s - usb_submit_urb(write bulk) failed with status = %d\n",
 				__func__, status);
 		count = status;
+		kfree(buffer);
 	}
 
 	/* we are done with this urb, so let the host driver