From: Alan Cox <alan@xxxxxxxxxxxxxxx> This is legitimate but because we don't clear the drv->state pointer in the unregister code causes a bogus BUG(). Resolves-bug: https://bugzilla.kernel.org/show_bug.cgi?id=42880 Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx> --- drivers/tty/serial/serial_core.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 9c4c05b..246b823 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -2282,6 +2282,7 @@ 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; } -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html