Commit 050dfc09 authored Apr 23, 2019 by Sergey Organov Committed by Greg Kroah-Hartman Apr 25, 2019

tty: serial_core: fix error code returned by uart_register_driver()



uart_register_driver() returned -ENOMEM on any error, even when
tty_register_driver() call returned another one, such as -EBUSY.

Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent bdbd0a7f

drivers/tty/serial/serial_core.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -2507,7 +2507,7 @@ static const struct tty_port_operations uart_port_ops = {
		int uart_register_driver(struct uart_driver *drv)
		{
		struct tty_driver *normal;
		int i, retval;
		int i, retval = -ENOMEM;

		BUG_ON(drv->state);

		@@ -2559,7 +2559,7 @@ int uart_register_driver(struct uart_driver *drv)
		out_kfree:
		kfree(drv->state);
		out:
		return -ENOMEM;
		return retval;
		}

		/**