From: Greg KH on
2.6.32-stable review patch. If anyone has any objections, please let us know.


From: Johan Hovold <jhovold(a)>

commit c0f631d1948658b27349545b2cbcb4b32f010c7a upstream.

An urb transfer buffer is allocated at every open but was never freed.

This driver is a bit of a mess...

Signed-off-by: Johan Hovold <jhovold(a)>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)>

drivers/usb/serial/kobil_sct.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -345,7 +345,8 @@ static void kobil_close(struct usb_seria

/* FIXME: Add rts/dtr methods */
if (port->write_urb) {
- usb_kill_urb(port->write_urb);
+ usb_poison_urb(port->write_urb);
+ kfree(port->write_urb->transfer_buffer);
port->write_urb = NULL;

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