From c0f631d1948658b27349545b2cbcb4b32f010c7a Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Sat, 15 May 2010 17:53:43 +0200 Subject: [PATCH] USB: kobil: fix memory leak An urb transfer buffer is allocated at every open but was never freed. This driver is a bit of a mess... Cc: stable Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/kobil_sct.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c index c113a2a..bd5bd85 100644 --- a/drivers/usb/serial/kobil_sct.c +++ b/drivers/usb/serial/kobil_sct.c @@ -345,7 +345,8 @@ static void kobil_close(struct usb_serial_port *port) /* 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); usb_free_urb(port->write_urb); port->write_urb = NULL; } -- 1.8.2.3