serial: sunsu: Free memory when probe fails

When su_probe() fails it doesn't free *up and we may have a memory
leak. Fix this by freeing *up before return.

Signed-off-by: Souptick joarder <jrdr.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/sunsu.c b/drivers/tty/serial/sunsu.c
index 9ad98eaa35bf86cf9ce2e8ce1a94233989c75ed2..72df2e1b88afe209c8e9420a28f46eeb865b987a 100644 (file)
--- a/drivers/tty/serial/sunsu.c
+++ b/drivers/tty/serial/sunsu.c
@@ -1500,6 +1500,7 @@ static int su_probe(struct platform_device *op)
 
 out_unmap:
        of_iounmap(&op->resource[0], up->port.membase, up->reg_size);
+       kfree(up);
        return err;
 }