[patch added to 3.12-stable] USB: serial: garmin_gps: fix memory leak on failed URB submit

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From: Johan Hovold <johan@xxxxxxxxxx>

This patch has been added to the 3.12 stable tree. If you have any
objections, please let us know.

===============

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@xxxxxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
 drivers/usb/serial/garmin_gps.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c
index 04b5ed90ffb2..9f1381dfce8c 100644
--- a/drivers/usb/serial/garmin_gps.c
+++ b/drivers/usb/serial/garmin_gps.c
@@ -1049,6 +1049,7 @@ 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
-- 
2.11.0

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