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authorJohan Hovold <jhovold@gmail.com>2010-05-15 17:53:43 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2010-07-05 11:10:35 -0700
commite851a5ce9d67f1b0cb5a16a48be47d63b06985f9 (patch)
tree558ad3999faedadbdcb687f0020a820dcd78870b /drivers/usb
parent579340fcfbc4776726cb37cfd47edfb8c1d7797f (diff)
USB: kobil: fix memory leak
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@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/serial/kobil_sct.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 45ea694b3ae6..9d99e682f96d 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;
}