[PATCH 195/229] USB: kobil: fix memory leak

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Johan Hovold <jhovold@xxxxxxxxx>

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

This driver is a bit of a mess...

Cc: stable <stable@xxxxxxxxxx>
Signed-off-by: Johan Hovold <jhovold@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
 drivers/usb/serial/kobil_sct.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

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;
 	}
-- 
1.7.1

--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux