UIO: uio_pdrv: fix memory leak

Thanks to Magnus Damm for pointing that out.

Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Acked-by: Hans J. Koch <hjk@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/uio/uio_pdrv.c

diff --git a/drivers/uio/uio_pdrv.c b/drivers/uio/uio_pdrv.c
index 5d0d2e8..aa3bff8 100644
--- a/drivers/uio/uio_pdrv.c
+++ b/drivers/uio/uio_pdrv.c
@@ -88,6 +88,8 @@
 
 	uio_unregister_device(pdata->uioinfo);
 
+	kfree(pdata);
+
 	return 0;
 }