staging: frontier: fix memory leak in usb_alphatrack_probe()

oldi_buffer and write_buffer need to free when usb_alphatrack_delete()
is called.

Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/frontier/alphatrack.c b/drivers/staging/frontier/alphatrack.c
index edd5cef300d034a5709542058ca9c4e1159125e3..e59ee51ccbacc9ef74b4d88c328650c56f020843 100644 (file)
--- a/drivers/staging/frontier/alphatrack.c
+++ b/drivers/staging/frontier/alphatrack.c
@@ -208,7 +208,9 @@ static void usb_alphatrack_delete(struct usb_alphatrack *dev)
        kfree(dev->ring_buffer);
        kfree(dev->interrupt_in_buffer);
        kfree(dev->interrupt_out_buffer);
-       kfree(dev);             /* fixme oldi_buffer */
+       kfree(dev->oldi_buffer);
+       kfree(dev->write_buffer);
+       kfree(dev);
 }
 
 /** usb_alphatrack_interrupt_in_callback */