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-Tag: v3.2.87~136
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=commitdiff_plain;h=21468d424837e08165315dbf6788ce019a6f0034

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

commit c4ac4496e835b78a45dfbf74f6173932217e4116 upstream.

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")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c
index e664bac23755..0c1c8ca85e1f 100644
--- a/drivers/usb/serial/garmin_gps.c
+++ b/drivers/usb/serial/garmin_gps.c
@@ -1075,6 +1075,7 @@ 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