Merge remote-tracking branch 'stable/linux-3.0.y' into develop-3.0-jb

[firefly-linux-kernel-4.4.55.git] / drivers / tty / serial / serial_core.c

diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 5668b3eb96d8f4ed05d74f5134564f54654136b8..2a106a94cdd009246462c4f254311dd05a38bdaf 100644 (file)
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -2328,6 +2328,7 @@ void uart_unregister_driver(struct uart_driver *drv)
        tty_unregister_driver(p);
        put_tty_driver(p);
        kfree(drv->state);
+       drv->state = NULL;
        drv->tty_driver = NULL;
 }